39028793 has 12 divisors (see below), whose sum is σ = 41783508. Its totient is φ = 36443520.

The previous prime is 39028789. The next prime is 39028799. The reversal of 39028793 is 39782093.

It can be written as a sum of positive squares in 2 ways, for example, as 19430464 + 19598329 = 4408^2 + 4427^2 .

It is not a de Polignac number, because 39028793 - 2² = 39028789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39028793.

It is not an unprimeable number, because it can be changed into a prime (39028799) 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 in 11 ways as a sum of consecutive naturals, for example, 25613 + ... + 27093.

It is an arithmetic number, because the mean of its divisors is an integer number (3481959).

Almost surely, 2^39028793 is an apocalyptic number.

It is an amenable number.

39028793 is a deficient number, since it is larger than the sum of its proper divisors (2754715).

39028793 is a wasteful number, since it uses less digits than its factorization.

39028793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 39028793 is about 6247.3028580340. The cubic root of 39028793 is about 339.2045794566.

The spelling of 39028793 in words is "thirty-nine million, twenty-eight thousand, seven hundred ninety-three".