358491 has 16 divisors (see below), whose sum is σ = 560384. Its totient is φ = 199584.

The previous prime is 358487. The next prime is 358499. The reversal of 358491 is 194853.

It is not a de Polignac number, because 358491 - 2² = 358487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (358499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (35024).

2³⁵⁸⁴⁹¹ is an apocalyptic number.

358491 is a deficient number, since it is larger than the sum of its proper divisors (201893).

358491 is a wasteful number, since it uses less digits than its factorization.

358491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its digits is 4320, while the sum is 30.

The square root of 358491 is about 598.7411794757. The cubic root of 358491 is about 71.0383314807.

The spelling of 358491 in words is "three hundred fifty-eight thousand, four hundred ninety-one".