39481307 has 2 divisors, whose sum is σ = 39481308. Its totient is φ = 39481306.

The previous prime is 39481289. The next prime is 39481333. The reversal of 39481307 is 70318493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39481307 - 2⁸ = 39481051 is a prime.

It is not a weakly prime, because it can be changed into another prime (39481367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19740653 + 19740654.

It is an arithmetic number, because the mean of its divisors is an integer number (19740654).

Almost surely, 2^39481307 is an apocalyptic number.

39481307 is a deficient number, since it is larger than the sum of its proper divisors (1).

39481307 is an equidigital number, since it uses as much as digits as its factorization.

39481307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 39481307 is about 6283.4152337722. The cubic root of 39481307 is about 340.5104989780.

The spelling of 39481307 in words is "thirty-nine million, four hundred eighty-one thousand, three hundred seven".