90108357 has 16 divisors (see below), whose sum is σ = 124156032. Its totient is φ = 58086720.

The previous prime is 90108329. The next prime is 90108373. The reversal of 90108357 is 75380109.

It is not a de Polignac number, because 90108357 - 2⁸ = 90108101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90108757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16107 + ... + 20967.

It is an arithmetic number, because the mean of its divisors is an integer number (7759752).

Almost surely, 2^90108357 is an apocalyptic number.

It is an amenable number.

90108357 is a deficient number, since it is larger than the sum of its proper divisors (34047675).

90108357 is a wasteful number, since it uses less digits than its factorization.

90108357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 90108357 is about 9492.5421779416. The cubic root of 90108357 is about 448.3202512578.

The spelling of 90108357 in words is "ninety million, one hundred eight thousand, three hundred fifty-seven".