90498132 has 36 divisors (see below), whose sum is σ = 229762260. Its totient is φ = 30033792.

The previous prime is 90498131. The next prime is 90498209. The reversal of 90498132 is 23189409.

It can be written as a sum of positive squares in 2 ways, for example, as 29095236 + 61402896 = 5394^2 + 7836^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90498131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2994 + ... + 13782.

It is an arithmetic number, because the mean of its divisors is an integer number (6382285).

Almost surely, 2^90498132 is an apocalyptic number.

It is an amenable number.

90498132 is an abundant number, since it is smaller than the sum of its proper divisors (139264128).

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

90498132 is a wasteful number, since it uses less digits than its factorization.

90498132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032 (or 11027 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 90498132 is about 9513.0506148133. The cubic root of 90498132 is about 448.9657432574.

The spelling of 90498132 in words is "ninety million, four hundred ninety-eight thousand, one hundred thirty-two".