Search a number
-
+
3868397 = 132931331
BaseRepresentation
bin1110110000011011101101
321021112102222
432300123231
51442242042
6214525125
744611061
oct16603355
97245388
103868397
112202425
1213667a5
13a559c0
14729aa1
155162d2
hex3b06ed

3868397 has 16 divisors (see below), whose sum is σ = 4462080. Its totient is φ = 3326400.

The previous prime is 3868357. The next prime is 3868399. The reversal of 3868397 is 7938683.

It is a cyclic number.

It is not a de Polignac number, because 3868397 - 28 = 3868141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11522 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (278880).

Almost surely, 23868397 is an apocalyptic number.

It is an amenable number.

3868397 is a deficient number, since it is larger than the sum of its proper divisors (593683).

3868397 is a wasteful number, since it uses less digits than its factorization.

3868397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its digits is 217728, while the sum is 44.

The square root of 3868397 is about 1966.8240897447. The cubic root of 3868397 is about 156.9797666868.

The spelling of 3868397 in words is "three million, eight hundred sixty-eight thousand, three hundred ninety-seven".

Divisors: 1 13 29 31 331 377 403 899 4303 9599 10261 11687 124787 133393 297569 3868397