90333038 has 16 divisors (see below), whose sum is σ = 137732400. Its totient is φ = 44428416.

The previous prime is 90333031. The next prime is 90333043. The reversal of 90333038 is 83033309.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90333038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90333031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30470 + ... + 33302.

It is an arithmetic number, because the mean of its divisors is an integer number (8608275).

Almost surely, 2^90333038 is an apocalyptic number.

90333038 is a deficient number, since it is larger than the sum of its proper divisors (47399362).

90333038 is a wasteful number, since it uses less digits than its factorization.

90333038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 90333038 is about 9504.3694162212. The cubic root of 90333038 is about 448.6925638840.

The spelling of 90333038 in words is "ninety million, three hundred thirty-three thousand, thirty-eight".