39068644 has 6 divisors (see below), whose sum is σ = 68370134. Its totient is φ = 19534320.

The previous prime is 39068641. The next prime is 39068647. The reversal of 39068644 is 44686093.

It is an interprime number because it is at equal distance from previous prime (39068641) and next prime (39068647).

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 131044 = 6240^2 + 362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39068597 and 39068606.

It is not an unprimeable number, because it can be changed into a prime (39068641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4883577 + ... + 4883584.

Almost surely, 2^39068644 is an apocalyptic number.

It is an amenable number.

39068644 is a deficient number, since it is larger than the sum of its proper divisors (29301490).

39068644 is a wasteful number, since it uses less digits than its factorization.

39068644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767165 (or 9767163 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 39068644 is about 6250.4915006742. The cubic root of 39068644 is about 339.3199903491.

The spelling of 39068644 in words is "thirty-nine million, sixty-eight thousand, six hundred forty-four".