90443304 has 160 divisors (see below), whose sum is σ = 293652480. Its totient is φ = 25474176.

The previous prime is 90443299. The next prime is 90443371. The reversal of 90443304 is 40334409.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 575994 + ... + 576150.

It is an arithmetic number, because the mean of its divisors is an integer number (1835328).

Almost surely, 2^90443304 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 90443304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146826240).

90443304 is an abundant number, since it is smaller than the sum of its proper divisors (203209176).

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

90443304 is a wasteful number, since it uses less digits than its factorization.

90443304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 90443304 is about 9510.1684527668. The cubic root of 90443304 is about 448.8750567940.

The spelling of 90443304 in words is "ninety million, four hundred forty-three thousand, three hundred four".