39489347 has 2 divisors, whose sum is σ = 39489348. Its totient is φ = 39489346.

The previous prime is 39489343. The next prime is 39489377. The reversal of 39489347 is 74398493.

39489347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39489347 - 2² = 39489343 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39489341) 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, 19744673 + 19744674.

It is an arithmetic number, because the mean of its divisors is an integer number (19744674).

Almost surely, 2^39489347 is an apocalyptic number.

39489347 is a deficient number, since it is larger than the sum of its proper divisors (1).

39489347 is an equidigital number, since it uses as much as digits as its factorization.

39489347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 39489347 is about 6284.0549806634. The cubic root of 39489347 is about 340.5336113385.

The spelling of 39489347 in words is "thirty-nine million, four hundred eighty-nine thousand, three hundred forty-seven".