2490644 has 24 divisors (see below), whose sum is σ = 4736928. Its totient is φ = 1139040.

The previous prime is 2490637. The next prime is 2490659. The reversal of 2490644 is 4460942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10859 + ... + 11085.

It is an arithmetic number, because the mean of its divisors is an integer number (197372).

2^2490644 is an apocalyptic number.

It is an amenable number.

2490644 is a deficient number, since it is larger than the sum of its proper divisors (2246284).

2490644 is a wasteful number, since it uses less digits than its factorization.

2490644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2490644 is about 1578.1774298221. The cubic root of 2490644 is about 135.5513619095.

The spelling of 2490644 in words is "two million, four hundred ninety thousand, six hundred forty-four".