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2388906 = 233134183
BaseRepresentation
bin1001000111001110101010
311111100222000
421013032222
51102421111
6123111430
726206512
oct11071652
94440860
102388906
111391903
12972576
13658470
14462842
15322c56
hex2473aa

2388906 has 64 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 708480.

The previous prime is 2388901. The next prime is 2388907. The reversal of 2388906 is 6098832.

2388906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2388901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28741 + ... + 28823.

It is an arithmetic number, because the mean of its divisors is an integer number (92610).

22388906 is an apocalyptic number.

2388906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2388906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963520).

2388906 is an abundant number, since it is smaller than the sum of its proper divisors (3538134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2388906 is a wasteful number, since it uses less digits than its factorization.

2388906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2388906 is about 1545.6086179884. The cubic root of 2388906 is about 133.6799744076.

The spelling of 2388906 in words is "two million, three hundred eighty-eight thousand, nine hundred six".

Divisors: 1 2 3 6 9 13 18 26 27 39 41 54 78 82 83 117 123 166 234 246 249 351 369 498 533 702 738 747 1066 1079 1107 1494 1599 2158 2214 2241 3198 3237 3403 4482 4797 6474 6806 9594 9711 10209 14391 19422 20418 28782 29133 30627 44239 58266 61254 88478 91881 132717 183762 265434 398151 796302 1194453 2388906