90108094 has 4 divisors (see below), whose sum is σ = 135162144. Its totient is φ = 45054046.

The previous prime is 90108079. The next prime is 90108097. The reversal of 90108094 is 49080109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49080109 = 13 ⋅3775393.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90108097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22527022 + ... + 22527025.

It is an arithmetic number, because the mean of its divisors is an integer number (33790536).

Almost surely, 2^90108094 is an apocalyptic number.

90108094 is a deficient number, since it is larger than the sum of its proper divisors (45054050).

90108094 is a wasteful number, since it uses less digits than its factorization.

90108094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45054049.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 90108094 is about 9492.5283249512. The cubic root of 90108094 is about 448.3198150854.

The spelling of 90108094 in words is "ninety million, one hundred eight thousand, ninety-four".