2990656 has 28 divisors (see below), whose sum is σ = 6016752. Its totient is φ = 1474688.

The previous prime is 2990639. The next prime is 2990677. The reversal of 2990656 is 6560992.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 5031 + ... + 5593.

It is an arithmetic number, because the mean of its divisors is an integer number (214884).

2^2990656 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 2990656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3008376).

2990656 is an abundant number, since it is smaller than the sum of its proper divisors (3026096).

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

2990656 is an equidigital number, since it uses as much as digits as its factorization.

2990656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2990656 is about 1729.3513234736. The cubic root of 2990656 is about 144.0750637449.

The spelling of 2990656 in words is "two million, nine hundred ninety thousand, six hundred fifty-six".