3887904 has 24 divisors (see below), whose sum is σ = 10206000. Its totient is φ = 1295936.

The previous prime is 3887903. The next prime is 3887911. The reversal of 3887904 is 4097883.

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

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3887903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20154 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^3887904 is an apocalyptic number.

It is an amenable number.

3887904 is an abundant number, since it is smaller than the sum of its proper divisors (6318096).

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

3887904 is a wasteful number, since it uses less digits than its factorization.

3887904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40512 (or 40504 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3887904 is about 1971.7768636436. The cubic root of 3887904 is about 157.2431894486.

The spelling of 3887904 in words is "three million, eight hundred eighty-seven thousand, nine hundred four".