2698656 has 24 divisors (see below), whose sum is σ = 7084224. Its totient is φ = 899520.

The previous prime is 2698651. The next prime is 2698667. The reversal of 2698656 is 6568962.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2698651) 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, 13960 + ... + 14151.

It is an arithmetic number, because the mean of its divisors is an integer number (295176).

2^2698656 is an apocalyptic number.

It is an amenable number.

2698656 is an abundant number, since it is smaller than the sum of its proper divisors (4385568).

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

2698656 is a wasteful number, since it uses less digits than its factorization.

2698656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28124 (or 28116 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 2698656 is about 1642.7586554330. The cubic root of 2698656 is about 139.2245563759.

The spelling of 2698656 in words is "two million, six hundred ninety-eight thousand, six hundred fifty-six".