39390039 has 12 divisors (see below), whose sum is σ = 61273576. Its totient is φ = 24239952.

The previous prime is 39389989. The next prime is 39390167. The reversal of 39390039 is 93009393.

39390039 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 39390039 - 2¹¹ = 39387991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39389985 and 39390012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39390539) 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 11 ways as a sum of consecutive naturals, for example, 168217 + ... + 168450.

Almost surely, 2^39390039 is an apocalyptic number.

39390039 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

39390039 is a deficient number, since it is larger than the sum of its proper divisors (21883537).

39390039 is a wasteful number, since it uses less digits than its factorization.

39390039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336686 (or 336683 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 36.

The square root of 39390039 is about 6276.1484208071. The cubic root of 39390039 is about 340.2479131909.

The spelling of 39390039 in words is "thirty-nine million, three hundred ninety thousand, thirty-nine".