18104115 has 8 divisors (see below), whose sum is σ = 28966608. Its totient is φ = 9655520.

The previous prime is 18104101. The next prime is 18104123. The reversal of 18104115 is 51140181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18104115 - 2¹⁰ = 18103091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18104091 and 18104100.

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 7 ways as a sum of consecutive naturals, for example, 603456 + ... + 603485.

It is an arithmetic number, because the mean of its divisors is an integer number (3620826).

Almost surely, 2^18104115 is an apocalyptic number.

18104115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18104115 is a deficient number, since it is larger than the sum of its proper divisors (10862493).

18104115 is a wasteful number, since it uses less digits than its factorization.

18104115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206949.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 18104115 is about 4254.8930656363. The cubic root of 18104115 is about 262.5784618060.

Adding to 18104115 its reverse (51140181), we get a palindrome (69244296).

It can be divided in two parts, 181041 and 15, that multiplied together give a triangular number (2715615 = T₂₃₃₀).

The spelling of 18104115 in words is "eighteen million, one hundred four thousand, one hundred fifteen".