659922 has 8 divisors (see below), whose sum is σ = 1319856. Its totient is φ = 219972.

The previous prime is 659917. The next prime is 659941. The reversal of 659922 is 229956.

It is a sphenic number, since it is the product of 3 distinct primes.

659922 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54988 + ... + 54999.

It is an arithmetic number, because the mean of its divisors is an integer number (164982).

2⁶⁵⁹⁹²² is an apocalyptic number.

659922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

659922 is a wasteful number, since it uses less digits than its factorization.

659922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109992.

The product of its digits is 9720, while the sum is 33.

The square root of 659922 is about 812.3558333637. The cubic root of 659922 is about 87.0624469087.

The spelling of 659922 in words is "six hundred fifty-nine thousand, nine hundred twenty-two".