2897904 has 20 divisors (see below), whose sum is σ = 7486376. Its totient is φ = 965952.

The previous prime is 2897897. The next prime is 2897933. The reversal of 2897904 is 4097982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30139 + ... + 30234.

2^2897904 is an apocalyptic number.

2897904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2897904 is an abundant number, since it is smaller than the sum of its proper divisors (4588472).

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

2897904 is a wasteful number, since it uses less digits than its factorization.

2897904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60384 (or 60378 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2897904 is about 1702.3231185647. The cubic root of 2897904 is about 142.5699502679.

The spelling of 2897904 in words is "two million, eight hundred ninety-seven thousand, nine hundred four".