90204296 has 96 divisors (see below), whose sum is σ = 219098880. Its totient is φ = 34473600.

The previous prime is 90204287. The next prime is 90204307. The reversal of 90204296 is 69240209.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157691 + ... + 158261.

It is an arithmetic number, because the mean of its divisors is an integer number (2282280).

Almost surely, 2^90204296 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 90204296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109549440).

90204296 is an abundant number, since it is smaller than the sum of its proper divisors (128894584).

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

90204296 is a wasteful number, since it uses less digits than its factorization.

90204296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90204296 is about 9497.5942216964. The cubic root of 90204296 is about 448.4793047285.

The spelling of 90204296 in words is "ninety million, two hundred four thousand, two hundred ninety-six".