39885039 has 6 divisors (see below), whose sum is σ = 57611736. Its totient is φ = 26590020.

The previous prime is 39885023. The next prime is 39885061. The reversal of 39885039 is 93058893.

39885039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39885039 - 2⁴ = 39885023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39884985 and 39885003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39885019) 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 5 ways as a sum of consecutive naturals, for example, 2215827 + ... + 2215844.

It is an arithmetic number, because the mean of its divisors is an integer number (9601956).

Almost surely, 2^39885039 is an apocalyptic number.

39885039 is a deficient number, since it is larger than the sum of its proper divisors (17726697).

39885039 is a wasteful number, since it uses less digits than its factorization.

39885039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431677 (or 4431674 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 39885039 is about 6315.4603157648. The cubic root of 39885039 is about 341.6672407155.

The spelling of 39885039 in words is "thirty-nine million, eight hundred eighty-five thousand, thirty-nine".