90332088 has 96 divisors (see below), whose sum is σ = 286623360. Its totient is φ = 23459520.

The previous prime is 90332057. The next prime is 90332089. The reversal of 90332088 is 88023309.

It is a super-2 number, since 2×90332088² = 16319772244879488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90332089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9445 + ... + 16427.

It is an arithmetic number, because the mean of its divisors is an integer number (2985660).

Almost surely, 2^90332088 is an apocalyptic number.

90332088 is a gapful number since it is divisible by the number (98) 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 90332088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143311680).

90332088 is an abundant number, since it is smaller than the sum of its proper divisors (196291272).

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

90332088 is a wasteful number, since it uses less digits than its factorization.

90332088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017 (or 7006 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 90332088 is about 9504.3194390761. The cubic root of 90332088 is about 448.6909909658.

The spelling of 90332088 in words is "ninety million, three hundred thirty-two thousand, eighty-eight".