3915864 has 40 divisors (see below), whose sum is σ = 10969860. Its totient is φ = 1305072.

The previous prime is 3915853. The next prime is 3915887. The reversal of 3915864 is 4685193.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2374 + ... + 3669.

Almost surely, 2^3915864 is an apocalyptic number.

It is an amenable number.

3915864 is an abundant number, since it is smaller than the sum of its proper divisors (7053996).

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

3915864 is a wasteful number, since it uses less digits than its factorization.

3915864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061 (or 6048 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3915864 is about 1978.8542139329. The cubic root of 3915864 is about 157.6192294470.

The spelling of 3915864 in words is "three million, nine hundred fifteen thousand, eight hundred sixty-four".