39308906 has 16 divisors (see below), whose sum is σ = 72570624. Its totient is φ = 15550704.

The previous prime is 39308869. The next prime is 39308933. The reversal of 39308906 is 60980393.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39308906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107810 + ... + 108173.

It is an arithmetic number, because the mean of its divisors is an integer number (4535664).

Almost surely, 2^39308906 is an apocalyptic number.

39308906 is a deficient number, since it is larger than the sum of its proper divisors (33261718).

39308906 is a wasteful number, since it uses less digits than its factorization.

39308906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216005.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 39308906 is about 6269.6814911126. The cubic root of 39308906 is about 340.0141458936.

The spelling of 39308906 in words is "thirty-nine million, three hundred eight thousand, nine hundred six".