3905394 has 16 divisors (see below), whose sum is σ = 7830432. Its totient is φ = 1298528.

The previous prime is 3905383. The next prime is 3905413. The reversal of 3905394 is 4935093.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3622 + ... + 4574.

It is an arithmetic number, because the mean of its divisors is an integer number (489402).

Almost surely, 2^3905394 is an apocalyptic number.

3905394 is an abundant number, since it is smaller than the sum of its proper divisors (3925038).

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

3905394 is a wasteful number, since it uses less digits than its factorization.

3905394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 3905394 is about 1976.2069729661. The cubic root of 3905394 is about 157.4786264773.

The spelling of 3905394 in words is "three million, nine hundred five thousand, three hundred ninety-four".