18694342 has 8 divisors (see below), whose sum is σ = 28107576. Its totient is φ = 9325152.

The previous prime is 18694301. The next prime is 18694343. The reversal of 18694342 is 24349681.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18694343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9928 + ... + 11659.

It is an arithmetic number, because the mean of its divisors is an integer number (3513447).

Almost surely, 2^18694342 is an apocalyptic number.

18694342 is a deficient number, since it is larger than the sum of its proper divisors (9413234).

18694342 is a wasteful number, since it uses less digits than its factorization.

18694342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22022.

The product of its digits is 41472, while the sum is 37.

The square root of 18694342 is about 4323.6954101787. The cubic root of 18694342 is about 265.4015130942.

The spelling of 18694342 in words is "eighteen million, six hundred ninety-four thousand, three hundred forty-two".