90881502 has 32 divisors (see below), whose sum is σ = 186810624. Its totient is φ = 29457600.

The previous prime is 90881501. The next prime is 90881513. The reversal of 90881502 is 20518809.

It is a happy number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90881501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140143 + ... + 140789.

It is an arithmetic number, because the mean of its divisors is an integer number (5837832).

Almost surely, 2^90881502 is an apocalyptic number.

90881502 is an abundant number, since it is smaller than the sum of its proper divisors (95929122).

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

90881502 is a wasteful number, since it uses less digits than its factorization.

90881502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 90881502 is about 9533.1790080749. The cubic root of 90881502 is about 449.5988227016.

The spelling of 90881502 in words is "ninety million, eight hundred eighty-one thousand, five hundred two".