2508644 has 12 divisors (see below), whose sum is σ = 4531968. Its totient is φ = 1213800.

The previous prime is 2508641. The next prime is 2508677. The reversal of 2508644 is 4468052.

2508644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2508641) 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, 9992 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (377664).

2^2508644 is an apocalyptic number.

It is an amenable number.

2508644 is a deficient number, since it is larger than the sum of its proper divisors (2023324).

2508644 is a wasteful number, since it uses less digits than its factorization.

2508644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20266 (or 20264 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2508644 is about 1583.8699441558. The cubic root of 2508644 is about 135.8771237319.

The spelling of 2508644 in words is "two million, five hundred eight thousand, six hundred forty-four".