84290115 has 32 divisors (see below), whose sum is σ = 165989376. Its totient is φ = 35568000.

The previous prime is 84290113. The next prime is 84290149. The reversal of 84290115 is 51109248.

It is a happy number.

It is not a de Polignac number, because 84290115 - 2¹ = 84290113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84290113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29511 + ... + 32240.

It is an arithmetic number, because the mean of its divisors is an integer number (5187168).

Almost surely, 2^84290115 is an apocalyptic number.

84290115 is a deficient number, since it is larger than the sum of its proper divisors (81699261).

84290115 is a wasteful number, since it uses less digits than its factorization.

84290115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61779.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 84290115 is about 9180.9648185798. The cubic root of 84290115 is about 438.4555267897.

The spelling of 84290115 in words is "eighty-four million, two hundred ninety thousand, one hundred fifteen".