18430059 has 4 divisors (see below), whose sum is σ = 24573416. Its totient is φ = 12286704.

The previous prime is 18430043. The next prime is 18430079. The reversal of 18430059 is 95003481.

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

It is not a de Polignac number, because 18430059 - 2⁴ = 18430043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18430079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071674 + ... + 3071679.

It is an arithmetic number, because the mean of its divisors is an integer number (6143354).

Almost surely, 2^18430059 is an apocalyptic number.

18430059 is a deficient number, since it is larger than the sum of its proper divisors (6143357).

18430059 is an equidigital number, since it uses as much as digits as its factorization.

18430059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143356.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 18430059 is about 4293.0244583510. The cubic root of 18430059 is about 264.1449072470.

The spelling of 18430059 in words is "eighteen million, four hundred thirty thousand, fifty-nine".