39385247 has 8 divisors (see below), whose sum is σ = 43070160. Its totient is φ = 35717760.

The previous prime is 39385237. The next prime is 39385261. The reversal of 39385247 is 74258393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39385247 - 2⁶ = 39385183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39385207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 8897.

It is an arithmetic number, because the mean of its divisors is an integer number (5383770).

Almost surely, 2^39385247 is an apocalyptic number.

39385247 is a deficient number, since it is larger than the sum of its proper divisors (3684913).

39385247 is a wasteful number, since it uses less digits than its factorization.

39385247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713.

The product of its digits is 181440, while the sum is 41.

The square root of 39385247 is about 6275.7666463947. The cubic root of 39385247 is about 340.2341149975.

The spelling of 39385247 in words is "thirty-nine million, three hundred eighty-five thousand, two hundred forty-seven".