659964 has 24 divisors (see below), whose sum is σ = 1576960. Its totient is φ = 214704.

The previous prime is 659963. The next prime is 659983. The reversal of 659964 is 469956.

659964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124 + ... + 1155.

2⁶⁵⁹⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

659964 is an abundant number, since it is smaller than the sum of its proper divisors (916996).

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

659964 is a wasteful number, since it uses less digits than its factorization.

659964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 659964 is about 812.3816836931. The cubic root of 659964 is about 87.0642938670.

The spelling of 659964 in words is "six hundred fifty-nine thousand, nine hundred sixty-four".