2662656 has 36 divisors (see below), whose sum is σ = 7088592. Its totient is φ = 887296.

The previous prime is 2662651. The next prime is 2662657. The reversal of 2662656 is 6562662.

It is not an unprimeable number, because it can be changed into a prime (2662651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966 + ... + 2501.

2^2662656 is an apocalyptic number.

It is an amenable number.

2662656 is an abundant number, since it is smaller than the sum of its proper divisors (4425936).

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

2662656 is an equidigital number, since it uses as much as digits as its factorization.

2662656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3472 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 2662656 is about 1631.7646889181. The cubic root of 2662656 is about 138.6026989640.

The spelling of 2662656 in words is "two million, six hundred sixty-two thousand, six hundred fifty-six".