2797656 has 32 divisors (see below), whose sum is σ = 7406640. Its totient is φ = 877568.

The previous prime is 2797637. The next prime is 2797667. The reversal of 2797656 is 6567972.

2797656 = T₁₃₁ + T₁₃₂ + ... + T₂₆₆.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹⁵ + 7 + 9⁶ + 7³ + 6² + 5⁹ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3021 + ... + 3836.

2^2797656 is an apocalyptic number.

It is an amenable number.

2797656 is an abundant number, since it is smaller than the sum of its proper divisors (4608984).

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

2797656 is a wasteful number, since it uses less digits than its factorization.

2797656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883 (or 6879 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 2797656 is about 1672.6195024571. The cubic root of 2797656 is about 140.9066330224.

The spelling of 2797656 in words is "two million, seven hundred ninety-seven thousand, six hundred fifty-six".