3865504 has 24 divisors (see below), whose sum is σ = 7684740. Its totient is φ = 1913856.

The previous prime is 3865481. The next prime is 3865513. The reversal of 3865504 is 4055683.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 435600 = 1852^2 + 660^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3082 + ... + 4150.

Almost surely, 2^3865504 is an apocalyptic number.

It is an amenable number.

3865504 is a deficient number, since it is larger than the sum of its proper divisors (3819236).

3865504 is a wasteful number, since it uses less digits than its factorization.

3865504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 3865504 is about 1966.0885025858. The cubic root of 3865504 is about 156.9406242269.

The spelling of 3865504 in words is "three million, eight hundred sixty-five thousand, five hundred four".