2945904 has 40 divisors (see below), whose sum is σ = 8197392. Its totient is φ = 906240.

The previous prime is 2945869. The next prime is 2945933. The reversal of 2945904 is 4095492.

It is a congruent number.

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, 1737 + ... + 2984.

2^2945904 is an apocalyptic number.

2945904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2945904 is an abundant number, since it is smaller than the sum of its proper divisors (5251488).

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

2945904 is a wasteful number, since it uses less digits than its factorization.

2945904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745 (or 4739 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2945904 is about 1716.3635978428. The cubic root of 2945904 is about 143.3528054791.

The spelling of 2945904 in words is "two million, nine hundred forty-five thousand, nine hundred four".