39306749 has 2 divisors, whose sum is σ = 39306750. Its totient is φ = 39306748.

The previous prime is 39306739. The next prime is 39306767. The reversal of 39306749 is 94760393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36517849 + 2788900 = 6043^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 39306749 - 2⁴ = 39306733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39306739) 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, 19653374 + 19653375.

It is an arithmetic number, because the mean of its divisors is an integer number (19653375).

Almost surely, 2^39306749 is an apocalyptic number.

It is an amenable number.

39306749 is a deficient number, since it is larger than the sum of its proper divisors (1).

39306749 is an equidigital number, since it uses as much as digits as its factorization.

39306749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 39306749 is about 6269.5094704450. The cubic root of 39306749 is about 340.0079265741.

The spelling of 39306749 in words is "thirty-nine million, three hundred six thousand, seven hundred forty-nine".