18341859 has 16 divisors (see below), whose sum is σ = 25836800. Its totient is φ = 11542176.

The previous prime is 18341857. The next prime is 18341867. The reversal of 18341859 is 95814381.

It is not a de Polignac number, because 18341859 - 2¹ = 18341857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18341857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24657 + ... + 25389.

It is an arithmetic number, because the mean of its divisors is an integer number (1614800).

Almost surely, 2^18341859 is an apocalyptic number.

18341859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

18341859 is a deficient number, since it is larger than the sum of its proper divisors (7494941).

18341859 is a wasteful number, since it uses less digits than its factorization.

18341859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its digits is 34560, while the sum is 39.

The square root of 18341859 is about 4282.7396605444. The cubic root of 18341859 is about 263.7228640201.

The spelling of 18341859 in words is "eighteen million, three hundred forty-one thousand, eight hundred fifty-nine".