959917 has 4 divisors (see below), whose sum is σ = 1097056. Its totient is φ = 822780.

The previous prime is 959911. The next prime is 959921. The reversal of 959917 is 719959.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 959917 - 2¹⁵ = 927149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 959917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68559 + ... + 68572.

It is an arithmetic number, because the mean of its divisors is an integer number (274264).

2⁹⁵⁹⁹¹⁷ is an apocalyptic number.

It is an amenable number.

959917 is a deficient number, since it is larger than the sum of its proper divisors (137139).

959917 is a wasteful number, since it uses less digits than its factorization.

959917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137138.

The product of its digits is 25515, while the sum is 40.

The square root of 959917 is about 979.7535404376. The cubic root of 959917 is about 98.6456398968.

The spelling of 959917 in words is "nine hundred fifty-nine thousand, nine hundred seventeen".