18830115 has 12 divisors (see below), whose sum is σ = 32638944. Its totient is φ = 10042704.

The previous prime is 18830099. The next prime is 18830167. The reversal of 18830115 is 51103881.

It is not a de Polignac number, because 18830115 - 2⁴ = 18830099 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 209179 + ... + 209268.

It is an arithmetic number, because the mean of its divisors is an integer number (2719912).

Almost surely, 2^18830115 is an apocalyptic number.

18830115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18830115 is a deficient number, since it is larger than the sum of its proper divisors (13808829).

18830115 is a wasteful number, since it uses less digits than its factorization.

18830115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418458 (or 418455 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 18830115 is about 4339.3680415471. The cubic root of 18830115 is about 266.0424819556.

Adding to 18830115 its reverse (51103881), we get a palindrome (69933996).

It can be divided in two parts, 188 and 30115, that added together give a palindrome (30303).

The spelling of 18830115 in words is "eighteen million, eight hundred thirty thousand, one hundred fifteen".