90358 has 4 divisors (see below), whose sum is σ = 135540. Its totient is φ = 45178.

The previous prime is 90353. The next prime is 90359. The reversal of 90358 is 85309.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90353) by changing a digit.

90358 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22588 + ... + 22591.

It is an arithmetic number, because the mean of its divisors is an integer number (33885).

2⁹⁰³⁵⁸ is an apocalyptic number.

90358 is a deficient number, since it is larger than the sum of its proper divisors (45182).

90358 is a wasteful number, since it uses less digits than its factorization.

90358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45181.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 90358 is about 300.5960744920. The cubic root of 90358 is about 44.8733889599.

It can be divided in two parts, 903 and 58, that added together give a square (961 = 31²).

The spelling of 90358 in words is "ninety thousand, three hundred fifty-eight".