90488532 has 48 divisors (see below), whose sum is σ = 226300032. Its totient is φ = 28068480.

The previous prime is 90488527. The next prime is 90488533. The reversal of 90488532 is 23588409.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90488533) 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, 5782 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (4714584).

Almost surely, 2^90488532 is an apocalyptic number.

90488532 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90488532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113150016).

90488532 is an abundant number, since it is smaller than the sum of its proper divisors (135811500).

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

90488532 is a wasteful number, since it uses less digits than its factorization.

90488532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928 (or 8926 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 90488532 is about 9512.5460314261. The cubic root of 90488532 is about 448.9498673365.

The spelling of 90488532 in words is "ninety million, four hundred eighty-eight thousand, five hundred thirty-two".