90002088 has 96 divisors (see below), whose sum is σ = 279957600. Its totient is φ = 25833600.

The previous prime is 90002041. The next prime is 90002089. The reversal of 90002088 is 88020009.

It is not an unprimeable number, because it can be changed into a prime (90002089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12058 + ... + 18038.

It is an arithmetic number, because the mean of its divisors is an integer number (2916225).

Almost surely, 2^90002088 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 90002088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139978800).

90002088 is an abundant number, since it is smaller than the sum of its proper divisors (189955512).

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

90002088 is a wasteful number, since it uses less digits than its factorization.

90002088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 90002088 is about 9486.9430271294. The cubic root of 90002088 is about 448.1439402486.

The spelling of 90002088 in words is "ninety million, two thousand, eighty-eight".