18029319 has 16 divisors (see below), whose sum is σ = 29971200. Its totient is φ = 9365760.

The previous prime is 18029303. The next prime is 18029351. The reversal of 18029319 is 91392081.

It is not a de Polignac number, because 18029319 - 2⁴ = 18029303 is a prime.

It is a super-2 number, since 2×18029319² = 650112687207522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 18029319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18029419) 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 15 ways as a sum of consecutive naturals, for example, 38794 + ... + 39255.

It is an arithmetic number, because the mean of its divisors is an integer number (1873200).

Almost surely, 2^18029319 is an apocalyptic number.

18029319 is a deficient number, since it is larger than the sum of its proper divisors (11941881).

18029319 is a wasteful number, since it uses less digits than its factorization.

18029319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78070.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 18029319 is about 4246.0945585326. The cubic root of 18029319 is about 262.2163539323.

The spelling of 18029319 in words is "eighteen million, twenty-nine thousand, three hundred nineteen".