958491 has 12 divisors (see below), whose sum is σ = 1393080. Its totient is φ = 635040.

The previous prime is 958487. The next prime is 958499. The reversal of 958491 is 194859.

It is not a de Polignac number, because 958491 - 2² = 958487 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (958499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2340 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (116090).

2⁹⁵⁸⁴⁹¹ is an apocalyptic number.

958491 is a deficient number, since it is larger than the sum of its proper divisors (434589).

958491 is a wasteful number, since it uses less digits than its factorization.

958491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 663 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 958491 is about 979.0255359285. The cubic root of 958491 is about 98.5967681726.

The spelling of 958491 in words is "nine hundred fifty-eight thousand, four hundred ninety-one".