959665 has 12 divisors (see below), whose sum is σ = 1339956. Its totient is φ = 657888.

The previous prime is 959659. The next prime is 959677. The reversal of 959665 is 566959.

959665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 388129 = 756^2 + 623^2 .

It is a de Polignac number, because none of the positive numbers 2^k-959665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (111663).

2⁹⁵⁹⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

959665 is a deficient number, since it is larger than the sum of its proper divisors (380291).

959665 is a wasteful number, since it uses less digits than its factorization.

959665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936 (or 3929 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 959665 is about 979.6249282251. The cubic root of 959665 is about 98.6370069015.

The spelling of 959665 in words is "nine hundred fifty-nine thousand, six hundred sixty-five".