39906312 has 48 divisors (see below), whose sum is σ = 101381520. Its totient is φ = 13089600.

The previous prime is 39906299. The next prime is 39906323. The reversal of 39906312 is 21360993.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244743 + ... + 244905.

It is an arithmetic number, because the mean of its divisors is an integer number (2112115).

Almost surely, 2^39906312 is an apocalyptic number.

It is an amenable number.

39906312 is an abundant number, since it is smaller than the sum of its proper divisors (61475208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39906312 is a wasteful number, since it uses less digits than its factorization.

39906312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 39906312 is about 6317.1442915292. The cubic root of 39906312 is about 341.7279735582.

The spelling of 39906312 in words is "thirty-nine million, nine hundred six thousand, three hundred twelve".