18482015 has 4 divisors (see below), whose sum is σ = 22178424. Its totient is φ = 14785608.

The previous prime is 18481999. The next prime is 18482033. The reversal of 18482015 is 51028481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18482015 - 2⁴ = 18481999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848197 + ... + 1848206.

It is an arithmetic number, because the mean of its divisors is an integer number (5544606).

Almost surely, 2^18482015 is an apocalyptic number.

18482015 is a deficient number, since it is larger than the sum of its proper divisors (3696409).

18482015 is an equidigital number, since it uses as much as digits as its factorization.

18482015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696408.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 18482015 is about 4299.0714113632. The cubic root of 18482015 is about 264.3928904763.

The spelling of 18482015 in words is "eighteen million, four hundred eighty-two thousand, fifteen".