2570638 has 24 divisors (see below), whose sum is σ = 4752432. Its totient is φ = 1036224.

The previous prime is 2570627. The next prime is 2570639. The reversal of 2570638 is 8360752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 895 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (198018).

2^2570638 is an apocalyptic number.

2570638 is a deficient number, since it is larger than the sum of its proper divisors (2181794).

2570638 is a wasteful number, since it uses less digits than its factorization.

2570638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2570638 is about 1603.3209285729. The cubic root of 2570638 is about 136.9873005793.

The spelling of 2570638 in words is "two million, five hundred seventy thousand, six hundred thirty-eight".