90023032 has 48 divisors (see below), whose sum is σ = 187402320. Its totient is φ = 40508160.

The previous prime is 90022997. The next prime is 90023053. The reversal of 90023032 is 23032009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108973 + ... + 109795.

It is an arithmetic number, because the mean of its divisors is an integer number (3904215).

Almost surely, 2^90023032 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 90023032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93701160).

90023032 is an abundant number, since it is smaller than the sum of its proper divisors (97379288).

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

90023032 is a wasteful number, since it uses less digits than its factorization.

90023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 90023032 is about 9488.0467958374. The cubic root of 90023032 is about 448.1786994375.

It can be divided in two parts, 900 and 23032, that added together give a palindrome (23932).

The spelling of 90023032 in words is "ninety million, twenty-three thousand, thirty-two".