18344059 has 4 divisors (see below), whose sum is σ = 18389320. Its totient is φ = 18298800.

The previous prime is 18344023. The next prime is 18344069. The reversal of 18344059 is 95044381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95044381 = 487 ⋅195163.

It is a cyclic number.

It is not a de Polignac number, because 18344059 - 2⁷ = 18343931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18344069) 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, 22017 + ... + 22834.

It is an arithmetic number, because the mean of its divisors is an integer number (4597330).

Almost surely, 2^18344059 is an apocalyptic number.

18344059 is a deficient number, since it is larger than the sum of its proper divisors (45261).

18344059 is an equidigital number, since it uses as much as digits as its factorization.

18344059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45260.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 18344059 is about 4282.9964977805. The cubic root of 18344059 is about 263.7334076098.

The spelling of 18344059 in words is "eighteen million, three hundred forty-four thousand, fifty-nine".