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3874806 = 2321329571
BaseRepresentation
bin1110110001111111110110
321021212020100
432301333312
51442443211
6215014530
744635545
oct16617766
97255210
103874806
112207221
12136a446
13a588b0
1472c15c
15518156
hex3b1ff6

3874806 has 48 divisors (see below), whose sum is σ = 9369360. Its totient is φ = 1149120.

The previous prime is 3874799. The next prime is 3874807. The reversal of 3874806 is 6084783.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6501 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (195195).

Almost surely, 23874806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3874806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4684680).

3874806 is an abundant number, since it is smaller than the sum of its proper divisors (5494554).

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

3874806 is a wasteful number, since it uses less digits than its factorization.

3874806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3874806 is about 1968.4526918369. The cubic root of 3874806 is about 157.0664113808.

The spelling of 3874806 in words is "three million, eight hundred seventy-four thousand, eight hundred six".

Divisors: 1 2 3 6 9 13 18 26 29 39 58 78 87 117 174 234 261 377 522 571 754 1131 1142 1713 2262 3393 3426 5139 6786 7423 10278 14846 16559 22269 33118 44538 49677 66807 99354 133614 149031 215267 298062 430534 645801 1291602 1937403 3874806