656802 has 16 divisors (see below), whose sum is σ = 1459680. Its totient is φ = 218916.

The previous prime is 656791. The next prime is 656809. The reversal of 656802 is 208656.

656802 is a `hidden beast` number, since 656 + 8 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (656809) by changing a digit.

656802 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 6028 + ... + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (91230).

2⁶⁵⁶⁸⁰² is an apocalyptic number.

656802 is an abundant number, since it is smaller than the sum of its proper divisors (802878).

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

656802 is a wasteful number, since it uses less digits than its factorization.

656802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174 (or 12168 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 656802 is about 810.4332174831. The cubic root of 656802 is about 86.9250245853.

The spelling of 656802 in words is "six hundred fifty-six thousand, eight hundred two".