39380047 has 4 divisors (see below), whose sum is σ = 45005776. Its totient is φ = 33754320.

The previous prime is 39380023. The next prime is 39380053. The reversal of 39380047 is 74008393.

39380047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39380047 - 2²³ = 30991439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39379994 and 39380021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39380087) 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 3 ways as a sum of consecutive naturals, for example, 2812854 + ... + 2812867.

It is an arithmetic number, because the mean of its divisors is an integer number (11251444).

Almost surely, 2^39380047 is an apocalyptic number.

39380047 is a deficient number, since it is larger than the sum of its proper divisors (5625729).

39380047 is an equidigital number, since it uses as much as digits as its factorization.

39380047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625728.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 39380047 is about 6275.3523407057. The cubic root of 39380047 is about 340.2191407335.

The spelling of 39380047 in words is "thirty-nine million, three hundred eighty thousand, forty-seven".