39385487 has 2 divisors, whose sum is σ = 39385488. Its totient is φ = 39385486.

The previous prime is 39385477. The next prime is 39385547. The reversal of 39385487 is 78458393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39385487 - 2¹⁰ = 39384463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39385417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19692743 + 19692744.

It is an arithmetic number, because the mean of its divisors is an integer number (19692744).

Almost surely, 2^39385487 is an apocalyptic number.

39385487 is a deficient number, since it is larger than the sum of its proper divisors (1).

39385487 is an equidigital number, since it uses as much as digits as its factorization.

39385487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 39385487 is about 6275.7857675354. The cubic root of 39385487 is about 340.2348060856.

The spelling of 39385487 in words is "thirty-nine million, three hundred eighty-five thousand, four hundred eighty-seven".