3900000039 has 16 divisors (see below), whose sum is σ = 5929412832. Its totient is φ = 2258823168.

The previous prime is 3900000007. The next prime is 3900000061. The reversal of 3900000039 is 9300000093.

It is not a de Polignac number, because 3900000039 - 2⁵ = 3900000007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3899999964 and 3900000018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900000089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940514 + ... + 2941839.

It is an arithmetic number, because the mean of its divisors is an integer number (370588302).

Almost surely, 2^3900000039 is an apocalyptic number.

3900000039 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3900000039 is a deficient number, since it is larger than the sum of its proper divisors (2029412793).

3900000039 is a wasteful number, since it uses less digits than its factorization.

3900000039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882386.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 3900000039 is about 62449.9802962339. The cubic root of 3900000039 is about 1574.0609218783.

It can be divided in two parts, 39000000 and 39, that multiplied together give a square (1521000000 = 39000²).

The spelling of 3900000039 in words is "three billion, nine hundred million, thirty-nine", and thus it is an aban number.