959959 has 24 divisors (see below), whose sum is σ = 1321488. Its totient is φ = 685440.

The previous prime is 959953. The next prime is 959969.

959959 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 959959 - 2⁵ = 959927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6939 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (55062).

2⁹⁵⁹⁹⁵⁹ is an apocalyptic number.

959959 is a deficient number, since it is larger than the sum of its proper divisors (361529).

959959 is a wasteful number, since it uses less digits than its factorization.

959959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 168 counting only the distinct ones).

The product of its digits is 164025, while the sum is 46.

The square root of 959959 is about 979.7749741650. The cubic root of 959959 is about 98.6470785825.

It can be divided in two parts, 95995 and 9, that multiplied together give a triangular number (863955 = T₁₃₁₄).

The spelling of 959959 in words is "nine hundred fifty-nine thousand, nine hundred fifty-nine".