90233115 has 16 divisors (see below), whose sum is σ = 164997888. Its totient is φ = 41249376.

The previous prime is 90233113. The next prime is 90233131. The reversal of 90233115 is 51133209.

It is a happy number.

It is not a de Polignac number, because 90233115 - 2¹ = 90233113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90233111) 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, 429577 + ... + 429786.

It is an arithmetic number, because the mean of its divisors is an integer number (10312368).

Almost surely, 2^90233115 is an apocalyptic number.

90233115 is a deficient number, since it is larger than the sum of its proper divisors (74764773).

90233115 is a wasteful number, since it uses less digits than its factorization.

90233115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859378.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 90233115 is about 9499.1112742193. Note that the first 3 decimals coincide. The cubic root of 90233115 is about 448.5270605801.

The spelling of 90233115 in words is "ninety million, two hundred thirty-three thousand, one hundred fifteen".