18294347 has 2 divisors, whose sum is σ = 18294348. Its totient is φ = 18294346.

The previous prime is 18294319. The next prime is 18294383. The reversal of 18294347 is 74349281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18294347 - 2²² = 14100043 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18294347.

It is not a weakly prime, because it can be changed into another prime (18294047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9147173 + 9147174.

It is an arithmetic number, because the mean of its divisors is an integer number (9147174).

Almost surely, 2^18294347 is an apocalyptic number.

18294347 is a deficient number, since it is larger than the sum of its proper divisors (1).

18294347 is an equidigital number, since it uses as much as digits as its factorization.

18294347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 18294347 is about 4277.1891470918. The cubic root of 18294347 is about 263.4949548175.

The spelling of 18294347 in words is "eighteen million, two hundred ninety-four thousand, three hundred forty-seven".