18579842 has 8 divisors (see below), whose sum is σ = 28026000. Its totient is φ = 9237844.

The previous prime is 18579833. The next prime is 18579857. The reversal of 18579842 is 24897581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18579793 and 18579802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25592 + ... + 26307.

It is an arithmetic number, because the mean of its divisors is an integer number (3503250).

Almost surely, 2^18579842 is an apocalyptic number.

18579842 is a deficient number, since it is larger than the sum of its proper divisors (9446158).

18579842 is a wasteful number, since it uses less digits than its factorization.

18579842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52080.

The product of its digits is 161280, while the sum is 44.

The square root of 18579842 is about 4310.4340848689. The cubic root of 18579842 is about 264.8585551088.

The spelling of 18579842 in words is "eighteen million, five hundred seventy-nine thousand, eight hundred forty-two".