39385939 has 8 divisors (see below), whose sum is σ = 39760560. Its totient is φ = 39013536.

The previous prime is 39385937. The next prime is 39385949. The reversal of 39385939 is 93958393.

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

It is not a de Polignac number, because 39385939 - 2¹ = 39385937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39385892 and 39385901.

It is not an unprimeable number, because it can be changed into a prime (39385933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66804 + ... + 67390.

It is an arithmetic number, because the mean of its divisors is an integer number (4970070).

Almost surely, 2^39385939 is an apocalyptic number.

39385939 is a deficient number, since it is larger than the sum of its proper divisors (374621).

39385939 is a wasteful number, since it uses less digits than its factorization.

39385939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 787320, while the sum is 49.

The square root of 39385939 is about 6275.8217788589. The cubic root of 39385939 is about 340.2361076271.

The spelling of 39385939 in words is "thirty-nine million, three hundred eighty-five thousand, nine hundred thirty-nine".