2704656 has 60 divisors (see below), whose sum is σ = 7344272. Its totient is φ = 857472.

The previous prime is 2704607. The next prime is 2704661. The reversal of 2704656 is 6564072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40335 + ... + 40401.

2^2704656 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 2704656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3672136).

2704656 is an abundant number, since it is smaller than the sum of its proper divisors (4639616).

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

2704656 is a wasteful number, since it uses less digits than its factorization.

2704656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2704656 is about 1644.5838379359. The cubic root of 2704656 is about 139.3276606641.

The spelling of 2704656 in words is "two million, seven hundred four thousand, six hundred fifty-six".