2638792 has 16 divisors (see below), whose sum is σ = 5328540. Its totient is φ = 1217856.

The previous prime is 2638787. The next prime is 2638793. The reversal of 2638792 is 2978362.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 695556 = 1394^2 + 834^2 .

It is not an unprimeable number, because it can be changed into a prime (2638793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12583 + ... + 12790.

2^2638792 is an apocalyptic number.

It is an amenable number.

2638792 is an abundant number, since it is smaller than the sum of its proper divisors (2689748).

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

2638792 is a wasteful number, since it uses less digits than its factorization.

2638792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25392 (or 25388 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 2638792 is about 1624.4359020903. The cubic root of 2638792 is about 138.1873811032.

The spelling of 2638792 in words is "two million, six hundred thirty-eight thousand, seven hundred ninety-two".