39908 has 12 divisors (see below), whose sum is σ = 76272. Its totient is φ = 18120.

The previous prime is 39901. The next prime is 39929. The reversal of 39908 is 80993.

It is not an unprimeable number, because it can be changed into a prime (39901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410 + ... + 497.

It is an arithmetic number, because the mean of its divisors is an integer number (6356).

2³⁹⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

39908 is a deficient number, since it is larger than the sum of its proper divisors (36364).

39908 is a wasteful number, since it uses less digits than its factorization.

39908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 39908 is about 199.7698675977. The cubic root of 39908 is about 34.1732791749.

The spelling of 39908 in words is "thirty-nine thousand, nine hundred eight".