3863904 has 48 divisors (see below), whose sum is σ = 11067840. Its totient is φ = 1170560.

The previous prime is 3863903. The next prime is 3863911. The reversal of 3863904 is 4093683.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (230580).

Almost surely, 2^3863904 is an apocalyptic number.

It is an amenable number.

3863904 is an abundant number, since it is smaller than the sum of its proper divisors (7203936).

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

3863904 is a wasteful number, since it uses less digits than its factorization.

3863904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3863904 is about 1965.6815611894. The cubic root of 3863904 is about 156.9189677450.

The spelling of 3863904 in words is "three million, eight hundred sixty-three thousand, nine hundred four".