90498288 has 20 divisors (see below), whose sum is σ = 233787368. Its totient is φ = 30166080.

The previous prime is 90498229. The next prime is 90498329. The reversal of 90498288 is 88289409.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1885381 = 90498288 / (9 + 0 + 4 + 9 + 8 + 2 + 8 + 8).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 942643 + ... + 942738.

Almost surely, 2^90498288 is an apocalyptic number.

It is an amenable number.

90498288 is an abundant number, since it is smaller than the sum of its proper divisors (143289080).

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

90498288 is a wasteful number, since it uses less digits than its factorization.

90498288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885392 (or 1885386 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 90498288 is about 9513.0588140724. The cubic root of 90498288 is about 448.9660012318.

The spelling of 90498288 in words is "ninety million, four hundred ninety-eight thousand, two hundred eighty-eight".