18850115 has 8 divisors (see below), whose sum is σ = 22958160. Its totient is φ = 14854752.

The previous prime is 18850103. The next prime is 18850121. The reversal of 18850115 is 51105881.

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

It is a cyclic number.

It is not a de Polignac number, because 18850115 - 2¹⁰ = 18849091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27800 + ... + 28469.

It is an arithmetic number, because the mean of its divisors is an integer number (2869770).

Almost surely, 2^18850115 is an apocalyptic number.

18850115 is a deficient number, since it is larger than the sum of its proper divisors (4108045).

18850115 is an equidigital number, since it uses as much as digits as its factorization.

18850115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56341.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 18850115 is about 4341.6719129847. The cubic root of 18850115 is about 266.1366390535.

Adding to 18850115 its reverse (51105881), we get a palindrome (69955996).

The spelling of 18850115 in words is "eighteen million, eight hundred fifty thousand, one hundred fifteen".