9986115 has 32 divisors (see below), whose sum is σ = 17291520. Its totient is φ = 4904064.

The previous prime is 9986113. The next prime is 9986161. The reversal of 9986115 is 5116899.

It is not a de Polignac number, because 9986115 - 2¹ = 9986113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9986111) 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, 10072 + ... + 11018.

It is an arithmetic number, because the mean of its divisors is an integer number (540360).

Almost surely, 2^9986115 is an apocalyptic number.

9986115 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9986115 is a deficient number, since it is larger than the sum of its proper divisors (7305405).

9986115 is a wasteful number, since it uses less digits than its factorization.

9986115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 19440, while the sum is 39.

The square root of 9986115 is about 3160.0814862911. The cubic root of 9986115 is about 215.3437083975.

It can be divided in two parts, 9986 and 115, that added together give a palindrome (10101).

The spelling of 9986115 in words is "nine million, nine hundred eighty-six thousand, one hundred fifteen".