90038 has 8 divisors (see below), whose sum is σ = 145488. Its totient is φ = 41544.

The previous prime is 90031. The next prime is 90053. The reversal of 90038 is 83009.

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90038.

It is not an unprimeable number, because it can be changed into a prime (90031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (18186).

2⁹⁰⁰³⁸ is an apocalyptic number.

90038 is a deficient number, since it is larger than the sum of its proper divisors (55450).

90038 is a wasteful number, since it uses less digits than its factorization.

90038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 90038 is about 300.0633266496. The cubic root of 90038 is about 44.8203537403.

The spelling of 90038 in words is "ninety thousand, thirty-eight".