18609342 has 8 divisors (see below), whose sum is σ = 37218696. Its totient is φ = 6203112.

The previous prime is 18609289. The next prime is 18609361. The reversal of 18609342 is 24390681.

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

18609342 is an admirable number.

It is a super-3 number, since 3×18609342³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

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, 1550773 + ... + 1550784.

It is an arithmetic number, because the mean of its divisors is an integer number (4652337).

Almost surely, 2^18609342 is an apocalyptic number.

18609342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18609342 is a wasteful number, since it uses less digits than its factorization.

18609342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101562.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 18609342 is about 4313.8546568006. The cubic root of 18609342 is about 264.9986566919.

The spelling of 18609342 in words is "eighteen million, six hundred nine thousand, three hundred forty-two".