18864058 has 8 divisors (see below), whose sum is σ = 29208960. Its totient is φ = 9127740.

The previous prime is 18864047. The next prime is 18864091. The reversal of 18864058 is 85046881.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18864058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152068 + ... + 152191.

It is an arithmetic number, because the mean of its divisors is an integer number (3651120).

Almost surely, 2^18864058 is an apocalyptic number.

18864058 is a deficient number, since it is larger than the sum of its proper divisors (10344902).

18864058 is a wasteful number, since it uses less digits than its factorization.

18864058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304292.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 18864058 is about 4343.2773339956. The cubic root of 18864058 is about 266.2022412813.

It can be divided in two parts, 188 and 64058, that added together give a palindrome (64246).

The spelling of 18864058 in words is "eighteen million, eight hundred sixty-four thousand, fifty-eight".