90488250 has 96 divisors (see below), whose sum is σ = 247351104. Its totient is φ = 23868000.

The previous prime is 90488213. The next prime is 90488267. The reversal of 90488250 is 5288409.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 294597 + ... + 294903.

It is an arithmetic number, because the mean of its divisors is an integer number (2576574).

Almost surely, 2^90488250 is an apocalyptic number.

90488250 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90488250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123675552).

90488250 is an abundant number, since it is smaller than the sum of its proper divisors (156862854).

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

90488250 is a wasteful number, since it uses less digits than its factorization.

90488250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 90488250 is about 9512.5312088844. The cubic root of 90488250 is about 448.9494009644.

The spelling of 90488250 in words is "ninety million, four hundred eighty-eight thousand, two hundred fifty".