3944904 has 16 divisors (see below), whose sum is σ = 9862320. Its totient is φ = 1314960.

The previous prime is 3944881. The next prime is 3944909. The reversal of 3944904 is 4094493.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3944909) 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, 82162 + ... + 82209.

It is an arithmetic number, because the mean of its divisors is an integer number (616395).

Almost surely, 2^3944904 is an apocalyptic number.

It is an amenable number.

3944904 is an abundant number, since it is smaller than the sum of its proper divisors (5917416).

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

3944904 is a wasteful number, since it uses less digits than its factorization.

3944904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164380 (or 164376 counting only the distinct ones).

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

The square root of 3944904 is about 1986.1782397358. The cubic root of 3944904 is about 158.0079043207.

It can be divided in two parts, 39 and 44904, that multiplied together give a triangular number (1751256 = T₁₈₇₁).

The spelling of 3944904 in words is "three million, nine hundred forty-four thousand, nine hundred four".