18364345 has 8 divisors (see below), whose sum is σ = 22060800. Its totient is φ = 14675760.

The previous prime is 18364343. The next prime is 18364387. The reversal of 18364345 is 54346381.

It is a happy number.

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

It is not a de Polignac number, because 18364345 - 2¹ = 18364343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18364345.

It is not an unprimeable number, because it can be changed into a prime (18364343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6456 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (2757600).

Almost surely, 2^18364345 is an apocalyptic number.

It is an amenable number.

18364345 is a deficient number, since it is larger than the sum of its proper divisors (3696455).

18364345 is a wasteful number, since it uses less digits than its factorization.

18364345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its digits is 34560, while the sum is 34.

The square root of 18364345 is about 4285.3640452125. The cubic root of 18364345 is about 263.8305893906.

The spelling of 18364345 in words is "eighteen million, three hundred sixty-four thousand, three hundred forty-five".