90801330 has 64 divisors (see below), whose sum is σ = 225555840. Its totient is φ = 23376384.

The previous prime is 90801307. The next prime is 90801341. The reversal of 90801330 is 3310809.

It is a self number, because there is not a number n which added to its sum of digits gives 90801330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198462 + ... + 198918.

It is an arithmetic number, because the mean of its divisors is an integer number (3524310).

Almost surely, 2^90801330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90801330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112777920).

90801330 is an abundant number, since it is smaller than the sum of its proper divisors (134754510).

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

90801330 is a wasteful number, since it uses less digits than its factorization.

90801330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 90801330 is about 9528.9731870753. The cubic root of 90801330 is about 449.4665778170.

The spelling of 90801330 in words is "ninety million, eight hundred one thousand, three hundred thirty".