3874656 has 24 divisors (see below), whose sum is σ = 10171224. Its totient is φ = 1291520.

The previous prime is 3874639. The next prime is 3874669. The reversal of 3874656 is 6564783.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20085 + ... + 20276.

It is an arithmetic number, because the mean of its divisors is an integer number (423801).

Almost surely, 2^3874656 is an apocalyptic number.

It is an amenable number.

3874656 is an abundant number, since it is smaller than the sum of its proper divisors (6296568).

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

3874656 is a wasteful number, since it uses less digits than its factorization.

3874656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40374 (or 40366 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 3874656 is about 1968.4145904763. The cubic root of 3874656 is about 157.0643845898.

The spelling of 3874656 in words is "three million, eight hundred seventy-four thousand, six hundred fifty-six".