90612115 has 16 divisors (see below), whose sum is σ = 119426400. Its totient is φ = 65451520.

The previous prime is 90612113. The next prime is 90612161. The reversal of 90612115 is 51121609.

It is not a de Polignac number, because 90612115 - 2¹ = 90612113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90612115.

It is not an unprimeable number, because it can be changed into a prime (90612113) 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 15 ways as a sum of consecutive naturals, for example, 2667 + ... + 13723.

It is an arithmetic number, because the mean of its divisors is an integer number (7464150).

Almost surely, 2^90612115 is an apocalyptic number.

90612115 is a deficient number, since it is larger than the sum of its proper divisors (28814285).

90612115 is a wasteful number, since it uses less digits than its factorization.

90612115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 90612115 is about 9519.0396049181. The cubic root of 90612115 is about 449.1541559585.

The spelling of 90612115 in words is "ninety million, six hundred twelve thousand, one hundred fifteen".