647022039 has 16 divisors (see below), whose sum is σ = 917194752. Its totient is φ = 404806688.

The previous prime is 647022011. The next prime is 647022083. The reversal of 647022039 is 930220746.

647022039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 647022039 - 2¹¹ = 647019991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647012039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84807 + ... + 92120.

It is an arithmetic number, because the mean of its divisors is an integer number (57324672).

Almost surely, 2^647022039 is an apocalyptic number.

647022039 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

647022039 is a deficient number, since it is larger than the sum of its proper divisors (270172713).

647022039 is a wasteful number, since it uses less digits than its factorization.

647022039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177006.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 647022039 is about 25436.6279015124. The cubic root of 647022039 is about 864.9141946584.

The spelling of 647022039 in words is "six hundred forty-seven million, twenty-two thousand, thirty-nine".