9090115 has 4 divisors (see below), whose sum is σ = 10908144. Its totient is φ = 7272088.

The previous prime is 9090061. The next prime is 9090127. The reversal of 9090115 is 5110909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9090115 - 2²³ = 701507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9090115.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909007 + ... + 909016.

It is an arithmetic number, because the mean of its divisors is an integer number (2727036).

Almost surely, 2^9090115 is an apocalyptic number.

9090115 is a deficient number, since it is larger than the sum of its proper divisors (1818029).

9090115 is a wasteful number, since it uses less digits than its factorization.

9090115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818028.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 9090115 is about 3014.9817578221. The cubic root of 9090115 is about 208.7003252306.

The spelling of 9090115 in words is "nine million, ninety thousand, one hundred fifteen".