39998312 has 16 divisors (see below), whose sum is σ = 75699360. Its totient is φ = 19811824.

The previous prime is 39998293. The next prime is 39998317. The reversal of 39998312 is 21389993.

It is not an unprimeable number, because it can be changed into a prime (39998317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22508 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (4731210).

Almost surely, 2^39998312 is an apocalyptic number.

It is an amenable number.

39998312 is a deficient number, since it is larger than the sum of its proper divisors (35701048).

39998312 is a wasteful number, since it uses less digits than its factorization.

39998312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46840 (or 46836 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 39998312 is about 6324.4218708116. The cubic root of 39998312 is about 341.9903785353.

The spelling of 39998312 in words is "thirty-nine million, nine hundred ninety-eight thousand, three hundred twelve".