2651656 has 16 divisors (see below), whose sum is σ = 5682240. Its totient is φ = 1136400.

The previous prime is 2651651. The next prime is 2651669. The reversal of 2651656 is 6561562.

It is not an unprimeable number, because it can be changed into a prime (2651651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23620 + ... + 23731.

It is an arithmetic number, because the mean of its divisors is an integer number (355140).

2^2651656 is an apocalyptic number.

It is an amenable number.

2651656 is an abundant number, since it is smaller than the sum of its proper divisors (3030584).

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

2651656 is a wasteful number, since it uses less digits than its factorization.

2651656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47364 (or 47360 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 2651656 is about 1628.3906165291. The cubic root of 2651656 is about 138.4115697501.

The spelling of 2651656 in words is "two million, six hundred fifty-one thousand, six hundred fifty-six".