18364933 has 4 divisors (see below), whose sum is σ = 18381888. Its totient is φ = 18347980.

The previous prime is 18364919. The next prime is 18364937. The reversal of 18364933 is 33946381.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18364933 - 2¹⁷ = 18233861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18364892 and 18364901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18364937) 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, 6733 + ... + 9058.

It is an arithmetic number, because the mean of its divisors is an integer number (4595472).

Almost surely, 2^18364933 is an apocalyptic number.

It is an amenable number.

18364933 is a deficient number, since it is larger than the sum of its proper divisors (16955).

18364933 is a wasteful number, since it uses less digits than its factorization.

18364933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16954.

The product of its digits is 46656, while the sum is 37.

The square root of 18364933 is about 4285.4326502700. The cubic root of 18364933 is about 263.8334051863.

The spelling of 18364933 in words is "eighteen million, three hundred sixty-four thousand, nine hundred thirty-three".