2728868 has 24 divisors (see below), whose sum is σ = 5026560. Its totient is φ = 1294560.

The previous prime is 2728853. The next prime is 2728877. The reversal of 2728868 is 8688272.

It is a super-2 number, since 2×2728868² = 14893441122848, which contains 22 as substring.

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, 7130 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (209440).

2^2728868 is an apocalyptic number.

It is an amenable number.

2728868 is a deficient number, since it is larger than the sum of its proper divisors (2297692).

2728868 is a wasteful number, since it uses less digits than its factorization.

2728868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 2728868 is about 1651.9285698843. The cubic root of 2728868 is about 139.7421785534.

The spelling of 2728868 in words is "two million, seven hundred twenty-eight thousand, eight hundred sixty-eight".