2579660 has 12 divisors (see below), whose sum is σ = 5417328. Its totient is φ = 1031856.

The previous prime is 2579659. The next prime is 2579683. The reversal of 2579660 is 669752.

It is a self number, because there is not a number n which added to its sum of digits gives 2579660.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64472 + ... + 64511.

It is an arithmetic number, because the mean of its divisors is an integer number (451444).

2^2579660 is an apocalyptic number.

2579660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2579660 is an abundant number, since it is smaller than the sum of its proper divisors (2837668).

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

2579660 is a wasteful number, since it uses less digits than its factorization.

2579660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128992 (or 128990 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2579660 is about 1606.1319995567. The cubic root of 2579660 is about 137.1473719165.

The spelling of 2579660 in words is "two million, five hundred seventy-nine thousand, six hundred sixty".