39766849 has 2 divisors, whose sum is σ = 39766850. Its totient is φ = 39766848.

The previous prime is 39766817. The next prime is 39766861. The reversal of 39766849 is 94866793.

39766849 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 can be written as a sum of positive squares in only one way, i.e., 38626225 + 1140624 = 6215^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 39766849 - 2⁵ = 39766817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39766796 and 39766805.

It is not a weakly prime, because it can be changed into another prime (39766889) 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, 19883424 + 19883425.

It is an arithmetic number, because the mean of its divisors is an integer number (19883425).

Almost surely, 2^39766849 is an apocalyptic number.

It is an amenable number.

39766849 is a deficient number, since it is larger than the sum of its proper divisors (1).

39766849 is an equidigital number, since it uses as much as digits as its factorization.

39766849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The square root of 39766849 is about 6306.0961775095. The cubic root of 39766849 is about 341.3294231179.

The spelling of 39766849 in words is "thirty-nine million, seven hundred sixty-six thousand, eight hundred forty-nine".