18959342 has 8 divisors (see below), whose sum is σ = 28464696. Its totient is φ = 9471112.

The previous prime is 18959333. The next prime is 18959357. The reversal of 18959342 is 24395981.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18959342.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1013 + ... + 6240.

It is an arithmetic number, because the mean of its divisors is an integer number (3558087).

Almost surely, 2^18959342 is an apocalyptic number.

18959342 is a deficient number, since it is larger than the sum of its proper divisors (9505354).

18959342 is a wasteful number, since it uses less digits than its factorization.

18959342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562.

The product of its digits is 77760, while the sum is 41.

The square root of 18959342 is about 4354.2326534075. The cubic root of 18959342 is about 266.6496923223.

The spelling of 18959342 in words is "eighteen million, nine hundred fifty-nine thousand, three hundred forty-two".