655924 has 6 divisors (see below), whose sum is σ = 1147874. Its totient is φ = 327960.

The previous prime is 655913. The next prime is 655927. The reversal of 655924 is 429556.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 47524 = 780^2 + 218^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655927) by changing a digit.

655924 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81987 + ... + 81994.

2⁶⁵⁵⁹²⁴ is an apocalyptic number.

It is an amenable number.

655924 is a deficient number, since it is larger than the sum of its proper divisors (491950).

655924 is a wasteful number, since it uses less digits than its factorization.

655924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163985 (or 163983 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 655924 is about 809.8913507379. The cubic root of 655924 is about 86.8862740920.

The spelling of 655924 in words is "six hundred fifty-five thousand, nine hundred twenty-four".