3893904 has 60 divisors (see below), whose sum is σ = 12457536. Its totient is φ = 1112256.

The previous prime is 3893899. The next prime is 3893909. The reversal of 3893904 is 4093983.

3893904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3893899) and next prime (3893909).

It is a super-2 number, since 2×3893904² = 30324976722432, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3893909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 924 + ... + 2939.

Almost surely, 2^3893904 is an apocalyptic number.

It is an amenable number.

3893904 is an abundant number, since it is smaller than the sum of its proper divisors (8563632).

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

3893904 is a wasteful number, since it uses less digits than its factorization.

3893904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3893904 is about 1973.2977474269. The cubic root of 3893904 is about 157.3240362855.

The spelling of 3893904 in words is "three million, eight hundred ninety-three thousand, nine hundred four".