2664512 has 56 divisors (see below), whose sum is σ = 5852160. Its totient is φ = 1198080.

The previous prime is 2664511. The next prime is 2664517. The reversal of 2664512 is 2154662.

It is not an unprimeable number, because it can be changed into a prime (2664511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33689 + ... + 33767.

2^2664512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2664512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2926080).

2664512 is an abundant number, since it is smaller than the sum of its proper divisors (3187648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2664512 is a wasteful number, since it uses less digits than its factorization.

2664512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 129 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 2664512 is about 1632.3332992989. Note that the first 3 decimals coincide. The cubic root of 2664512 is about 138.6348957456.

The spelling of 2664512 in words is "two million, six hundred sixty-four thousand, five hundred twelve".