18294018 has 8 divisors (see below), whose sum is σ = 36588048. Its totient is φ = 6098004.

The previous prime is 18294013. The next prime is 18294037. The reversal of 18294018 is 81049281.

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

18294018 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18294018.

It is not an unprimeable number, because it can be changed into a prime (18294013) 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, 1524496 + ... + 1524507.

It is an arithmetic number, because the mean of its divisors is an integer number (4573506).

Almost surely, 2^18294018 is an apocalyptic number.

18294018 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.

18294018 is a wasteful number, since it uses less digits than its factorization.

18294018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049008.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 18294018 is about 4277.1506870813. The cubic root of 18294018 is about 263.4933752702.

The spelling of 18294018 in words is "eighteen million, two hundred ninety-four thousand, eighteen".