2631968 has 24 divisors (see below), whose sum is σ = 5218668. Its totient is φ = 1306624.

The previous prime is 2631949. The next prime is 2631971. The reversal of 2631968 is 8691362.

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 110224 = 1588^2 + 332^2 .

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, 7280 + ... + 7632.

2^2631968 is an apocalyptic number.

It is an amenable number.

2631968 is a deficient number, since it is larger than the sum of its proper divisors (2586700).

2631968 is a wasteful number, since it uses less digits than its factorization.

2631968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 588 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 2631968 is about 1622.3341209504. The cubic root of 2631968 is about 138.0681592867.

The spelling of 2631968 in words is "two million, six hundred thirty-one thousand, nine hundred sixty-eight".