2656818 has 24 divisors (see below), whose sum is σ = 5845008. Its totient is φ = 871992.

The previous prime is 2656813. The next prime is 2656831. The reversal of 2656818 is 8186562.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2656813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (243542).

2^2656818 is an apocalyptic number.

2656818 is an abundant number, since it is smaller than the sum of its proper divisors (3188190).

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

2656818 is a wasteful number, since it uses less digits than its factorization.

2656818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2275 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2656818 is about 1629.9748464317. The cubic root of 2656818 is about 138.5013271691.

The spelling of 2656818 in words is "two million, six hundred fifty-six thousand, eight hundred eighteen".