2664988 has 12 divisors (see below), whose sum is σ = 4938192. Its totient is φ = 1254080.

The previous prime is 2664967. The next prime is 2664989. The reversal of 2664988 is 8894662.

It is a happy number.

It is a super-2 number, since 2×2664988² = 14204322080288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664989) 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, 19528 + ... + 19663.

It is an arithmetic number, because the mean of its divisors is an integer number (411516).

2^2664988 is an apocalyptic number.

It is an amenable number.

2664988 is a deficient number, since it is larger than the sum of its proper divisors (2273204).

2664988 is a wasteful number, since it uses less digits than its factorization.

2664988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39212 (or 39210 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 2664988 is about 1632.4790963440. The cubic root of 2664988 is about 138.6431507008.

The spelling of 2664988 in words is "two million, six hundred sixty-four thousand, nine hundred eighty-eight".