3912804 has 36 divisors (see below), whose sum is σ = 11304384. Its totient is φ = 1117872.

The previous prime is 3912781. The next prime is 3912809. The reversal of 3912804 is 4082193.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3912809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7512 + ... + 8015.

Almost surely, 2^3912804 is an apocalyptic number.

It is an amenable number.

3912804 is an abundant number, since it is smaller than the sum of its proper divisors (7391580).

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

3912804 is a wasteful number, since it uses less digits than its factorization.

3912804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15544 (or 15539 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3912804 is about 1978.0808881337. The cubic root of 3912804 is about 157.5781622623.

Adding to 3912804 its reverse (4082193), we get a palindrome (7994997).

The spelling of 3912804 in words is "three million, nine hundred twelve thousand, eight hundred four".