958231 has 4 divisors (see below), whose sum is σ = 962752. Its totient is φ = 953712.

The previous prime is 958213. The next prime is 958259. The reversal of 958231 is 132859.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 958231 - 2¹³ = 950039 is a prime.

It is a super-2 number, since 2×958231² = 1836413298722, which contains 22 as substring.

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 958231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (958261) 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 3 ways as a sum of consecutive naturals, for example, 1926 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (240688).

2⁹⁵⁸²³¹ is an apocalyptic number.

958231 is a deficient number, since it is larger than the sum of its proper divisors (4521).

958231 is a wasteful number, since it uses less digits than its factorization.

958231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520.

The product of its digits is 2160, while the sum is 28.

The square root of 958231 is about 978.8927418262. The cubic root of 958231 is about 98.5878522558.

The spelling of 958231 in words is "nine hundred fifty-eight thousand, two hundred thirty-one".