39791056 has 20 divisors (see below), whose sum is σ = 77239972. Its totient is φ = 19858176.

The previous prime is 39791051. The next prime is 39791069. The reversal of 39791056 is 65019793.

39791056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 32947600 = 2616^2 + 5740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39791051) 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 in 3 ways as a sum of consecutive naturals, for example, 7780 + ... + 11836.

Almost surely, 2^39791056 is an apocalyptic number.

It is an amenable number.

39791056 is a deficient number, since it is larger than the sum of its proper divisors (37448916).

39791056 is a wasteful number, since it uses less digits than its factorization.

39791056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678 (or 4672 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 39791056 is about 6308.0152187515. The cubic root of 39791056 is about 341.3986674389.

The spelling of 39791056 in words is "thirty-nine million, seven hundred ninety-one thousand, fifty-six".