90930500 has 48 divisors (see below), whose sum is σ = 207252864. Its totient is φ = 34786400.

The previous prime is 90930487. The next prime is 90930503. The reversal of 90930500 is 503909.

It is a self number, because there is not a number n which added to its sum of digits gives 90930500.

It is not an unprimeable number, because it can be changed into a prime (90930503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7547 + ... + 15453.

It is an arithmetic number, because the mean of its divisors is an integer number (4317768).

Almost surely, 2^90930500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90930500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103626432).

90930500 is an abundant number, since it is smaller than the sum of its proper divisors (116322364).

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

90930500 is a wasteful number, since it uses less digits than its factorization.

90930500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949 (or 7937 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 90930500 is about 9535.7485285634. The cubic root of 90930500 is about 449.6796073307.

The spelling of 90930500 in words is "ninety million, nine hundred thirty thousand, five hundred".