39347147 has 24 divisors (see below), whose sum is σ = 47401200. Its totient is φ = 32550336.

The previous prime is 39347137. The next prime is 39347149. The reversal of 39347147 is 74174393.

It is a happy number.

39347147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39347147 - 2⁶ = 39347083 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 39347147.

It is not an unprimeable number, because it can be changed into a prime (39347149) 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 in 23 ways as a sum of consecutive naturals, for example, 283004 + ... + 283142.

It is an arithmetic number, because the mean of its divisors is an integer number (1975050).

Almost surely, 2^39347147 is an apocalyptic number.

39347147 is a deficient number, since it is larger than the sum of its proper divisors (8054053).

39347147 is a wasteful number, since it uses less digits than its factorization.

39347147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 308 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 39347147 is about 6272.7304262179. The cubic root of 39347147 is about 340.1243691495.

The spelling of 39347147 in words is "thirty-nine million, three hundred forty-seven thousand, one hundred forty-seven".