647344327 has 8 divisors (see below), whose sum is σ = 741840896. Its totient is φ = 553352472.

The previous prime is 647344319. The next prime is 647344331. The reversal of 647344327 is 723443746.

647344327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 647344327 - 2³ = 647344319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 647344327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647344427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123423 + ... + 128560.

It is an arithmetic number, because the mean of its divisors is an integer number (92730112).

Almost surely, 2^647344327 is an apocalyptic number.

647344327 is a deficient number, since it is larger than the sum of its proper divisors (94496569).

647344327 is a wasteful number, since it uses less digits than its factorization.

647344327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252357.

The product of its digits is 338688, while the sum is 40.

The square root of 647344327 is about 25442.9622292688. The cubic root of 647344327 is about 865.0577782248.

The spelling of 647344327 in words is "six hundred forty-seven million, three hundred forty-four thousand, three hundred twenty-seven".