39799712 has 12 divisors (see below), whose sum is σ = 78355746. Its totient is φ = 19899840.

The previous prime is 39799709. The next prime is 39799717. The reversal of 39799712 is 21799793.

39799712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34058896 + 5740816 = 5836^2 + 2396^2 .

It is not an unprimeable number, because it can be changed into a prime (39799717) 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 as a sum of consecutive naturals, namely, 621839 + ... + 621902.

Almost surely, 2^39799712 is an apocalyptic number.

39799712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39799712 is a deficient number, since it is larger than the sum of its proper divisors (38556034).

39799712 is a wasteful number, since it uses less digits than its factorization.

39799712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243751 (or 1243743 counting only the distinct ones).

The product of its digits is 214326, while the sum is 47.

The square root of 39799712 is about 6308.7012926592. The cubic root of 39799712 is about 341.4234211809.

The spelling of 39799712 in words is "thirty-nine million, seven hundred ninety-nine thousand, seven hundred twelve".