18329005 has 8 divisors (see below), whose sum is σ = 22305024. Its totient is φ = 14456400.

The previous prime is 18328997. The next prime is 18329011. The reversal of 18329005 is 50092381.

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

It is not a de Polignac number, because 18329005 - 2³ = 18328997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25461 + ... + 26170.

It is an arithmetic number, because the mean of its divisors is an integer number (2788128).

Almost surely, 2^18329005 is an apocalyptic number.

It is an amenable number.

18329005 is a deficient number, since it is larger than the sum of its proper divisors (3976019).

18329005 is an equidigital number, since it uses as much as digits as its factorization.

18329005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51707.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 18329005 is about 4281.2387226129. The cubic root of 18329005 is about 263.6612438415.

The spelling of 18329005 in words is "eighteen million, three hundred twenty-nine thousand, five".