18575842 has 16 divisors (see below), whose sum is σ = 28605312. Its totient is φ = 9043920.

The previous prime is 18575833. The next prime is 18575861. The reversal of 18575842 is 24857581.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 18575795 and 18575804.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12343 + ... + 13765.

It is an arithmetic number, because the mean of its divisors is an integer number (1787832).

Almost surely, 2^18575842 is an apocalyptic number.

18575842 is a deficient number, since it is larger than the sum of its proper divisors (10029470).

18575842 is a wasteful number, since it uses less digits than its factorization.

18575842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 89600, while the sum is 40.

The square root of 18575842 is about 4309.9700695016. The cubic root of 18575842 is about 264.8395468693.

The spelling of 18575842 in words is "eighteen million, five hundred seventy-five thousand, eight hundred forty-two".