18342093 has 32 divisors (see below), whose sum is σ = 30707712. Its totient is φ = 9460800.

The previous prime is 18342061. The next prime is 18342101. The reversal of 18342093 is 39024381.

It is not a de Polignac number, because 18342093 - 2⁵ = 18342061 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18342093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18342013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 62455 + ... + 62747.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^18342093 is an apocalyptic number.

It is an amenable number.

18342093 is a deficient number, since it is larger than the sum of its proper divisors (12365619).

18342093 is a wasteful number, since it uses less digits than its factorization.

18342093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 18342093 is about 4282.7669794188. The cubic root of 18342093 is about 263.7239855147.

The spelling of 18342093 in words is "eighteen million, three hundred forty-two thousand, ninety-three".