18483859 has 2 divisors, whose sum is σ = 18483860. Its totient is φ = 18483858.

The previous prime is 18483823. The next prime is 18483869. The reversal of 18483859 is 95838481.

It is a strong prime.

It is an emirp because it is prime and its reverse (95838481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18483859 - 2¹⁵ = 18451091 is a prime.

It is not a weakly prime, because it can be changed into another prime (18483809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9241929 + 9241930.

It is an arithmetic number, because the mean of its divisors is an integer number (9241930).

Almost surely, 2^18483859 is an apocalyptic number.

18483859 is a deficient number, since it is larger than the sum of its proper divisors (1).

18483859 is an equidigital number, since it uses as much as digits as its factorization.

18483859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 18483859 is about 4299.2858709325. The cubic root of 18483859 is about 264.4016832455.

The spelling of 18483859 in words is "eighteen million, four hundred eighty-three thousand, eight hundred fifty-nine".