18230299 has 8 divisors (see below), whose sum is σ = 18990000. Its totient is φ = 17479392.

The previous prime is 18230297. The next prime is 18230309. The reversal of 18230299 is 99203281.

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

It is a cyclic number.

It is not a de Polignac number, because 18230299 - 2¹ = 18230297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18230293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2212 + ... + 6430.

It is an arithmetic number, because the mean of its divisors is an integer number (2373750).

Almost surely, 2^18230299 is an apocalyptic number.

18230299 is a deficient number, since it is larger than the sum of its proper divisors (759701).

18230299 is a wasteful number, since it uses less digits than its factorization.

18230299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 18230299 is about 4269.6954223926. The cubic root of 18230299 is about 263.1870991034.

The spelling of 18230299 in words is "eighteen million, two hundred thirty thousand, two hundred ninety-nine".