39479387 has 2 divisors, whose sum is σ = 39479388. Its totient is φ = 39479386.

The previous prime is 39479369. The next prime is 39479393. The reversal of 39479387 is 78397493.

39479387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (78397493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39479387 - 2¹⁴ = 39463003 is a prime.

It is not a weakly prime, because it can be changed into another prime (39479317) 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, 19739693 + 19739694.

It is an arithmetic number, because the mean of its divisors is an integer number (19739694).

Almost surely, 2^39479387 is an apocalyptic number.

39479387 is a deficient number, since it is larger than the sum of its proper divisors (1).

39479387 is an equidigital number, since it uses as much as digits as its factorization.

39479387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 39479387 is about 6283.2624487602. The cubic root of 39479387 is about 340.5049791442.

The spelling of 39479387 in words is "thirty-nine million, four hundred seventy-nine thousand, three hundred eighty-seven".