90499115 has 16 divisors (see below), whose sum is σ = 124639680. Its totient is φ = 61793280.

The previous prime is 90499099. The next prime is 90499121. The reversal of 90499115 is 51199409.

It is not a de Polignac number, because 90499115 - 2⁴ = 90499099 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 3071 + ... + 13799.

It is an arithmetic number, because the mean of its divisors is an integer number (7789980).

Almost surely, 2^90499115 is an apocalyptic number.

90499115 is a deficient number, since it is larger than the sum of its proper divisors (34140565).

90499115 is a wasteful number, since it uses less digits than its factorization.

90499115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10982.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 90499115 is about 9513.1022805392. The cubic root of 90499115 is about 448.9673688222.

The spelling of 90499115 in words is "ninety million, four hundred ninety-nine thousand, one hundred fifteen".