655662 has 32 divisors (see below), whose sum is σ = 1527552. Its totient is φ = 183744.

The previous prime is 655657. The next prime is 655687. The reversal of 655662 is 266556.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655662.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 2698 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (47736).

2⁶⁵⁵⁶⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763776).

655662 is an abundant number, since it is smaller than the sum of its proper divisors (871890).

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

655662 is a wasteful number, since it uses less digits than its factorization.

655662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its digits is 10800, while the sum is 30.

The square root of 655662 is about 809.7295844910. The cubic root of 655662 is about 86.8747040343.

The spelling of 655662 in words is "six hundred fifty-five thousand, six hundred sixty-two".