39028689 has 16 divisors (see below), whose sum is σ = 66080640. Its totient is φ = 22302000.

The previous prime is 39028687. The next prime is 39028727. The reversal of 39028689 is 98682093.

39028689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39028689 - 2¹ = 39028687 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39028681) 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 15 ways as a sum of consecutive naturals, for example, 103062 + ... + 103439.

It is an arithmetic number, because the mean of its divisors is an integer number (4130040).

Almost surely, 2^39028689 is an apocalyptic number.

It is an amenable number.

39028689 is a deficient number, since it is larger than the sum of its proper divisors (27051951).

39028689 is a wasteful number, since it uses less digits than its factorization.

39028689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206517 (or 206511 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 39028689 is about 6247.2945344365. The cubic root of 39028689 is about 339.2042781636.

The spelling of 39028689 in words is "thirty-nine million, twenty-eight thousand, six hundred eighty-nine".