5656818 has 32 divisors (see below), whose sum is σ = 12372480. Its totient is φ = 1716480.

The previous prime is 5656817. The next prime is 5656823. The reversal of 5656818 is 8186565.

It is not an unprimeable number, because it can be changed into a prime (5656817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2268 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (386640).

Almost surely, 2^5656818 is an apocalyptic number.

5656818 is an abundant number, since it is smaller than the sum of its proper divisors (6715662).

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

5656818 is a wasteful number, since it uses less digits than its factorization.

5656818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842.

The product of its digits is 57600, while the sum is 39.

The square root of 5656818 is about 2378.4066094762. The cubic root of 5656818 is about 178.1793630314.

The spelling of 5656818 in words is "five million, six hundred fifty-six thousand, eight hundred eighteen".