39438772 has 6 divisors (see below), whose sum is σ = 69017858. Its totient is φ = 19719384.

The previous prime is 39438743. The next prime is 39438787. The reversal of 39438772 is 27783493.

39438772 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 only one way, i.e., 33108516 + 6330256 = 5754^2 + 2516^2 .

It is a congruent number.

It is an unprimeable number.

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, 4929843 + ... + 4929850.

Almost surely, 2^39438772 is an apocalyptic number.

It is an amenable number.

39438772 is a deficient number, since it is larger than the sum of its proper divisors (29579086).

39438772 is a wasteful number, since it uses less digits than its factorization.

39438772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859697 (or 9859695 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 39438772 is about 6280.0296177646. The cubic root of 39438772 is about 340.3881725779.

The spelling of 39438772 in words is "thirty-nine million, four hundred thirty-eight thousand, seven hundred seventy-two".