2644988 has 12 divisors (see below), whose sum is σ = 4675272. Its totient is φ = 1309200.

The previous prime is 2644981. The next prime is 2645011. The reversal of 2644988 is 8894462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870 + ... + 3677.

It is an arithmetic number, because the mean of its divisors is an integer number (389606).

2^2644988 is an apocalyptic number.

It is an amenable number.

2644988 is a deficient number, since it is larger than the sum of its proper divisors (2030284).

2644988 is a wasteful number, since it uses less digits than its factorization.

2644988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652 (or 6650 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 2644988 is about 1626.3419074721. The cubic root of 2644988 is about 138.2954532497.

The spelling of 2644988 in words is "two million, six hundred forty-four thousand, nine hundred eighty-eight".