2657968 has 20 divisors (see below), whose sum is σ = 5177248. Its totient is φ = 1321920.

The previous prime is 2657951. The next prime is 2657999. The reversal of 2657968 is 8697562.

It is a super-3 number, since 3×2657968³ = 56333988250864029696, which contains 333 as substring.

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, 4030 + ... + 4642.

2^2657968 is an apocalyptic number.

It is an amenable number.

2657968 is a deficient number, since it is larger than the sum of its proper divisors (2519280).

2657968 is a wasteful number, since it uses less digits than its factorization.

2657968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 886 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 2657968 is about 1630.3275744463. The cubic root of 2657968 is about 138.5213076559.

The spelling of 2657968 in words is "two million, six hundred fifty-seven thousand, nine hundred sixty-eight".