3765864 has 32 divisors (see below), whose sum is σ = 9479520. Its totient is φ = 1246656.

The previous prime is 3765833. The next prime is 3765871. The reversal of 3765864 is 4685673.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (296235).

Almost surely, 2^3765864 is an apocalyptic number.

It is an amenable number.

3765864 is an abundant number, since it is smaller than the sum of its proper divisors (5713656).

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

3765864 is a wasteful number, since it uses less digits than its factorization.

3765864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1085 counting only the distinct ones).

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

The square root of 3765864 is about 1940.5834174289. The cubic root of 3765864 is about 155.5803976954.

The spelling of 3765864 in words is "three million, seven hundred sixty-five thousand, eight hundred sixty-four".