2503664 has 20 divisors (see below), whose sum is σ = 4885104. Its totient is φ = 1243008.

The previous prime is 2503663. The next prime is 2503703. The reversal of 2503664 is 4663052.

2503664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁹ + 5³ + 0 + 3⁹ + 6⁷ + 6⁸ + 4² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503663) by changing a digit.

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, 2204 + ... + 3140.

2^2503664 is an apocalyptic number.

It is an amenable number.

2503664 is a deficient number, since it is larger than the sum of its proper divisors (2381440).

2503664 is a wasteful number, since it uses less digits than its factorization.

2503664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2503664 is about 1582.2970643972. The cubic root of 2503664 is about 135.7871526386.

The spelling of 2503664 in words is "two million, five hundred three thousand, six hundred sixty-four".