655592 has 32 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 268224.

The previous prime is 655583. The next prime is 655597. The reversal of 655592 is 295556.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655592.

It is not an unprimeable number, because it can be changed into a prime (655597) by changing a digit.

655592 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 in 7 ways as a sum of consecutive naturals, for example, 1034 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2⁶⁵⁵⁵⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734400).

655592 is an abundant number, since it is smaller than the sum of its proper divisors (813208).

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

655592 is a wasteful number, since it uses less digits than its factorization.

655592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 541 counting only the distinct ones).

The product of its digits is 13500, while the sum is 32.

The square root of 655592 is about 809.6863590305. The cubic root of 655592 is about 86.8716122758.

The spelling of 655592 in words is "six hundred fifty-five thousand, five hundred ninety-two".