90338 has 8 divisors (see below), whose sum is σ = 143532. Its totient is φ = 42496.

The previous prime is 90313. The next prime is 90353. The reversal of 90338 is 83309.

It can be written as a sum of positive squares in 2 ways, for example, as 85849 + 4489 = 293^2 + 67^2 .

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

90338 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295 + ... + 1362.

2⁹⁰³³⁸ is an apocalyptic number.

90338 is a deficient number, since it is larger than the sum of its proper divisors (53194).

90338 is a wasteful number, since it uses less digits than its factorization.

90338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 90338 is about 300.5628054168. The cubic root of 90338 is about 44.8700779305.

The spelling of 90338 in words is "ninety thousand, three hundred thirty-eight".