656484 has 24 divisors (see below), whose sum is σ = 1544928. Its totient is φ = 216960.

The previous prime is 656483. The next prime is 656519. The reversal of 656484 is 484656.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 656484.

It is not an unprimeable number, because it can be changed into a prime (656483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604 + ... + 2844.

It is an arithmetic number, because the mean of its divisors is an integer number (64372).

2⁶⁵⁶⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

656484 is an abundant number, since it is smaller than the sum of its proper divisors (888444).

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

656484 is a wasteful number, since it uses less digits than its factorization.

656484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 473 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 656484 is about 810.2370023641. The cubic root of 656484 is about 86.9109936596.

The spelling of 656484 in words is "six hundred fifty-six thousand, four hundred eighty-four".