2897868 has 12 divisors (see below), whose sum is σ = 6761720. Its totient is φ = 965952.

The previous prime is 2897833. The next prime is 2897887. The reversal of 2897868 is 8687982.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 120733 + ... + 120756.

2^2897868 is an apocalyptic number.

It is an amenable number.

2897868 is an abundant number, since it is smaller than the sum of its proper divisors (3863852).

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

2897868 is a wasteful number, since it uses less digits than its factorization.

2897868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241496 (or 241494 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 2897868 is about 1702.3125447461. The cubic root of 2897868 is about 142.5693598941.

The spelling of 2897868 in words is "two million, eight hundred ninety-seven thousand, eight hundred sixty-eight".