39604939 has 8 divisors (see below), whose sum is σ = 44021232. Its totient is φ = 35324640.

The previous prime is 39604933. The next prime is 39604993. The reversal of 39604939 is 93940693.

It is a happy number.

39604939 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.

It is a cyclic number.

It is not a de Polignac number, because 39604939 - 2³ = 39604931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39604895 and 39604904.

It is not an unprimeable number, because it can be changed into a prime (39604931) 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 7 ways as a sum of consecutive naturals, for example, 33384 + ... + 34549.

It is an arithmetic number, because the mean of its divisors is an integer number (5502654).

Almost surely, 2^39604939 is an apocalyptic number.

39604939 is a deficient number, since it is larger than the sum of its proper divisors (4416293).

39604939 is a wasteful number, since it uses less digits than its factorization.

39604939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67997.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 39604939 is about 6293.2455060962. The cubic root of 39604939 is about 340.8655541634.

The spelling of 39604939 in words is "thirty-nine million, six hundred four thousand, nine hundred thirty-nine".