90841088 has 56 divisors (see below), whose sum is σ = 195875148. Its totient is φ = 41877504.

The previous prime is 90841043. The next prime is 90841103. The reversal of 90841088 is 88014809.

It can be written as a sum of positive squares in 2 ways, for example, as 72454144 + 18386944 = 8512^2 + 4288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106070 + ... + 106922.

Almost surely, 2^90841088 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 90841088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97937574).

90841088 is an abundant number, since it is smaller than the sum of its proper divisors (105034060).

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

90841088 is an equidigital number, since it uses as much as digits as its factorization.

90841088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 90841088 is about 9531.0591226789. The cubic root of 90841088 is about 449.5321689439.

The spelling of 90841088 in words is "ninety million, eight hundred forty-one thousand, eighty-eight".