2570644 has 12 divisors (see below), whose sum is σ = 4643968. Its totient is φ = 1243800.

The previous prime is 2570639. The next prime is 2570651. The reversal of 2570644 is 4460752.

2570644 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10242 + ... + 10489.

2^2570644 is an apocalyptic number.

It is an amenable number.

2570644 is a deficient number, since it is larger than the sum of its proper divisors (2073324).

2570644 is a wasteful number, since it uses less digits than its factorization.

2570644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766 (or 20764 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2570644 is about 1603.3227996882. The cubic root of 2570644 is about 136.9874071576.

The spelling of 2570644 in words is "two million, five hundred seventy thousand, six hundred forty-four".