18029299 has 8 divisors (see below), whose sum is σ = 19556208. Its totient is φ = 16554240.

The previous prime is 18029287. The next prime is 18029303. The reversal of 18029299 is 99292081.

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 18029299 - 2¹⁹ = 17505011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18029269) 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, 12237 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (2444526).

Almost surely, 2^18029299 is an apocalyptic number.

18029299 is a deficient number, since it is larger than the sum of its proper divisors (1526909).

18029299 is a wasteful number, since it uses less digits than its factorization.

18029299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25925.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 18029299 is about 4246.0922034266. The cubic root of 18029299 is about 262.2162569730.

The spelling of 18029299 in words is "eighteen million, twenty-nine thousand, two hundred ninety-nine".