90885189 has 8 divisors (see below), whose sum is σ = 127558240. Its totient is φ = 57401136.

The previous prime is 90885163. The next prime is 90885229. The reversal of 90885189 is 98158809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90885189 - 2⁸ = 90884933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90885589) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 797182 + ... + 797295.

It is an arithmetic number, because the mean of its divisors is an integer number (15944780).

Almost surely, 2^90885189 is an apocalyptic number.

It is an amenable number.

90885189 is a deficient number, since it is larger than the sum of its proper divisors (36673051).

90885189 is a wasteful number, since it uses less digits than its factorization.

90885189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594499.

The product of its (nonzero) digits is 207360, while the sum is 48.

The square root of 90885189 is about 9533.3723833699. The cubic root of 90885189 is about 449.6049025910.

The spelling of 90885189 in words is "ninety million, eight hundred eighty-five thousand, one hundred eighty-nine".