959958 has 32 divisors (see below), whose sum is σ = 2210400. Its totient is φ = 308448.

The previous prime is 959953. The next prime is 959969. The reversal of 959958 is 859959.

959958 is a `hidden beast` number, since 9 + 599 + 58 = 666.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 959958.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (69075).

2⁹⁵⁹⁹⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 959958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105200).

959958 is an abundant number, since it is smaller than the sum of its proper divisors (1250442).

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

959958 is a wasteful number, since it uses less digits than its factorization.

959958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 647 counting only the distinct ones).

The product of its digits is 145800, while the sum is 45.

The square root of 959958 is about 979.7744638436. The cubic root of 959958 is about 98.6470443285.

Subtracting from 959958 its reverse (859959), we obtain a palindrome (99999).

The spelling of 959958 in words is "nine hundred fifty-nine thousand, nine hundred fifty-eight".