90358233 has 8 divisors (see below), whose sum is σ = 137688768. Its totient is φ = 51633264.

The previous prime is 90358223. The next prime is 90358241. The reversal of 90358233 is 33285309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90358233 - 2⁴ = 90358217 is a prime.

It is a super-2 number, since 2×90358233² = 16329220541764578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90358194 and 90358203.

It is not an unprimeable number, because it can be changed into a prime (90358223) 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 7 ways as a sum of consecutive naturals, for example, 2151366 + ... + 2151407.

It is an arithmetic number, because the mean of its divisors is an integer number (17211096).

Almost surely, 2^90358233 is an apocalyptic number.

It is an amenable number.

90358233 is a deficient number, since it is larger than the sum of its proper divisors (47330535).

90358233 is a wasteful number, since it uses less digits than its factorization.

90358233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302783.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 90358233 is about 9505.6947668227. The cubic root of 90358233 is about 448.7342753055.

The spelling of 90358233 in words is "ninety million, three hundred fifty-eight thousand, two hundred thirty-three".