90170496 has 192 divisors, whose sum is σ = 291083520. Its totient is φ = 27620352.

The previous prime is 90170489. The next prime is 90170503. The reversal of 90170496 is 69407109.

It is an interprime number because it is at equal distance from previous prime (90170489) and next prime (90170503).

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a self number, because there is not a number n which added to its sum of digits gives 90170496.

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 23 ways as a sum of consecutive naturals, for example, 404241 + ... + 404463.

It is an arithmetic number, because the mean of its divisors is an integer number (1516060).

Almost surely, 2^90170496 is an apocalyptic number.

90170496 is a gapful number since it is divisible by the number (96) 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 90170496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145541760).

90170496 is an abundant number, since it is smaller than the sum of its proper divisors (200913024).

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

90170496 is a wasteful number, since it uses less digits than its factorization.

90170496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 90170496 is about 9495.8146569949. The cubic root of 90170496 is about 448.4232819192.

The spelling of 90170496 in words is "ninety million, one hundred seventy thousand, four hundred ninety-six".