647084315 has 8 divisors (see below), whose sum is σ = 779368128. Its totient is φ = 515756160.

The previous prime is 647084299. The next prime is 647084353. The reversal of 647084315 is 513480746.

647084315 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 not a de Polignac number, because 647084315 - 2⁴ = 647084299 is a prime.

It is a super-2 number, since 2×647084315² = 837436221438038450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237422 + ... + 240131.

It is an arithmetic number, because the mean of its divisors is an integer number (97421016).

Almost surely, 2^647084315 is an apocalyptic number.

647084315 is a deficient number, since it is larger than the sum of its proper divisors (132283813).

647084315 is a wasteful number, since it uses less digits than its factorization.

647084315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477829.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 647084315 is about 25437.8520123064. The cubic root of 647084315 is about 864.9419431559.

The spelling of 647084315 in words is "six hundred forty-seven million, eighty-four thousand, three hundred fifteen".