90300 has 72 divisors (see below), whose sum is σ = 305536. Its totient is φ = 20160.

The previous prime is 90289. The next prime is 90313. The reversal of 90300 is 309.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

90300 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 in 23 ways as a sum of consecutive naturals, for example, 2079 + ... + 2121.

2⁹⁰³⁰⁰ is an apocalyptic number.

It is a pronic number, being equal to 300×301.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152768).

90300 is an abundant number, since it is smaller than the sum of its proper divisors (215236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90300 is a wasteful number, since it uses less digits than its factorization.

90300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 90300 is about 300.4995840263. The cubic root of 90300 is about 44.8637856279.

Adding to 90300 its reverse (309), we get a palindrome (90609).

It can be divided in two parts, 90 and 300, that multiplied together give a cube (27000 = 30³).

The spelling of 90300 in words is "ninety thousand, three hundred".