647467846 has 8 divisors (see below), whose sum is σ = 971888544. Its totient is φ = 323505000.

The previous prime is 647467841. The next prime is 647467867. The reversal of 647467846 is 648764746.

647467846 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 super-2 number, since 2×647467846² = 838429223207759432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 647467793 and 647467802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647467841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110905 + ... + 116596.

It is an arithmetic number, because the mean of its divisors is an integer number (121486068).

Almost surely, 2^647467846 is an apocalyptic number.

647467846 is a deficient number, since it is larger than the sum of its proper divisors (324420698).

647467846 is a wasteful number, since it uses less digits than its factorization.

647467846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228926.

The product of its digits is 5419008, while the sum is 52.

The square root of 647467846 is about 25445.3894841482. The cubic root of 647467846 is about 865.1127949405.

The spelling of 647467846 in words is "six hundred forty-seven million, four hundred sixty-seven thousand, eight hundred forty-six".