655928 has 64 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 239616.

The previous prime is 655927. The next prime is 655943. The reversal of 655928 is 829556.

Its product of digits (21600) is a multiple of the sum of its prime factors (96).

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12350 + ... + 12402.

It is an arithmetic number, because the mean of its divisors is an integer number (25515).

2⁶⁵⁵⁹²⁸ is an apocalyptic number.

655928 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816480).

655928 is an abundant number, since it is smaller than the sum of its proper divisors (977032).

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

655928 is a wasteful number, since it uses less digits than its factorization.

655928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 92 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 655928 is about 809.8938202011. The cubic root of 655928 is about 86.8864507102.

The spelling of 655928 in words is "six hundred fifty-five thousand, nine hundred twenty-eight".