959631 has 12 divisors (see below), whose sum is σ = 1317528. Its totient is φ = 621264.

The previous prime is 959627. The next prime is 959659. The reversal of 959631 is 136959.

It is not a de Polignac number, because 959631 - 2² = 959627 is a prime.

It is a super-2 number, since 2×959631² = 1841783312322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 959592 and 959601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5461 + ... + 5633.

It is an arithmetic number, because the mean of its divisors is an integer number (109794).

2⁹⁵⁹⁶³¹ is an apocalyptic number.

959631 is a deficient number, since it is larger than the sum of its proper divisors (357897).

959631 is a wasteful number, since it uses less digits than its factorization.

959631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 219 counting only the distinct ones).

The product of its digits is 7290, while the sum is 33.

The square root of 959631 is about 979.6075744909. The cubic root of 959631 is about 98.6358420166.

The spelling of 959631 in words is "nine hundred fifty-nine thousand, six hundred thirty-one".