399031112 has 16 divisors (see below), whose sum is σ = 748809600. Its totient is φ = 199348560.

The previous prime is 399031093. The next prime is 399031121. The reversal of 399031112 is 211130993.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10412 + ... + 30107.

It is an arithmetic number, because the mean of its divisors is an integer number (46800600).

Almost surely, 2^399031112 is an apocalyptic number.

It is an amenable number.

399031112 is a deficient number, since it is larger than the sum of its proper divisors (349778488).

399031112 is a wasteful number, since it uses less digits than its factorization.

399031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41756 (or 41752 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 399031112 is about 19975.7631143343. The cubic root of 399031112 is about 736.2109164341.

The spelling of 399031112 in words is "three hundred ninety-nine million, thirty-one thousand, one hundred twelve".