39000018 has 8 divisors (see below), whose sum is σ = 78000048. Its totient is φ = 13000004.

The previous prime is 39000001. The next prime is 39000037. The reversal of 39000018 is 81000093.

39000018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

39000018 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38999958 and 39000003.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3249996 + ... + 3250007.

It is an arithmetic number, because the mean of its divisors is an integer number (9750006).

Almost surely, 2^39000018 is an apocalyptic number.

39000018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39000018 is a wasteful number, since it uses less digits than its factorization.

39000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500008.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 39000018 is about 6244.9994395516. Note that the first 3 decimals coincide. The cubic root of 39000018 is about 339.1211964739.

The spelling of 39000018 in words is "thirty-nine million, eighteen", and thus it is an aban number and an uban number.