90252184 has 128 divisors (see below), whose sum is σ = 212129280. Its totient is φ = 35481600.

The previous prime is 90252157. The next prime is 90252203. The reversal of 90252184 is 48125209.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1479514 + ... + 1479574.

It is an arithmetic number, because the mean of its divisors is an integer number (1657260).

Almost surely, 2^90252184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90252184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106064640).

90252184 is an abundant number, since it is smaller than the sum of its proper divisors (121877096).

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

90252184 is a wasteful number, since it uses less digits than its factorization.

90252184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 90252184 is about 9500.1149466730. The cubic root of 90252184 is about 448.5586541552.

The spelling of 90252184 in words is "ninety million, two hundred fifty-two thousand, one hundred eighty-four".