90508980 has 48 divisors (see below), whose sum is σ = 259326144. Its totient is φ = 23573760.

The previous prime is 90508949. The next prime is 90508987. The reversal of 90508980 is 8980509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90508987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14961 + ... + 20120.

It is an arithmetic number, because the mean of its divisors is an integer number (5402628).

Almost surely, 2^90508980 is an apocalyptic number.

It is an amenable number.

90508980 is an abundant number, since it is smaller than the sum of its proper divisors (168817164).

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

90508980 is a wasteful number, since it uses less digits than its factorization.

90508980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35136 (or 35134 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 90508980 is about 9513.6207618341. The cubic root of 90508980 is about 448.9836816969.

The spelling of 90508980 in words is "ninety million, five hundred eight thousand, nine hundred eighty".