597664 has 24 divisors (see below), whose sum is σ = 1239840. Its totient is φ = 282816.

The previous prime is 597659. The next prime is 597671. The reversal of 597664 is 466795.

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, 117 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (51660).

2⁵⁹⁷⁶⁶⁴ 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 597664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619920).

597664 is an abundant number, since it is smaller than the sum of its proper divisors (642176).

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

597664 is a wasteful number, since it uses less digits than its factorization.

597664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1004 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 597664 is about 773.0873171900. The cubic root of 597664 is about 84.2336653519.

The spelling of 597664 in words is "five hundred ninety-seven thousand, six hundred sixty-four".