39842312 has 8 divisors (see below), whose sum is σ = 74704350. Its totient is φ = 19921152.

The previous prime is 39842311. The next prime is 39842321. The reversal of 39842312 is 21324893.

It is a happy number.

39842312 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., 30758116 + 9084196 = 5546^2 + 3014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (39842311) 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, 2490137 + ... + 2490152.

Almost surely, 2^39842312 is an apocalyptic number.

It is an amenable number.

39842312 is a deficient number, since it is larger than the sum of its proper divisors (34862038).

39842312 is a wasteful number, since it uses less digits than its factorization.

39842312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980295 (or 4980291 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 39842312 is about 6312.0766788752. The cubic root of 39842312 is about 341.5451930127.

The spelling of 39842312 in words is "thirty-nine million, eight hundred forty-two thousand, three hundred twelve".