90298260 has 192 divisors, whose sum is σ = 318931200. Its totient is φ = 21026304.

The previous prime is 90298259. The next prime is 90298283. The reversal of 90298260 is 6289209.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133042 + ... + 133718.

It is an arithmetic number, because the mean of its divisors is an integer number (1661100).

Almost surely, 2^90298260 is an apocalyptic number.

90298260 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90298260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159465600).

90298260 is an abundant number, since it is smaller than the sum of its proper divisors (228632940).

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

90298260 is a wasteful number, since it uses less digits than its factorization.

90298260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 719 counting only the distinct ones).

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

The square root of 90298260 is about 9502.5396605329. The cubic root of 90298260 is about 448.6349746440.

The spelling of 90298260 in words is "ninety million, two hundred ninety-eight thousand, two hundred sixty".