647796 has 24 divisors (see below), whose sum is σ = 1553440. Its totient is φ = 209952.

The previous prime is 647789. The next prime is 647809. The reversal of 647796 is 697746.

647796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 647796.

It is an unprimeable number.

647796 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286 + ... + 1173.

2⁶⁴⁷⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

647796 is an abundant number, since it is smaller than the sum of its proper divisors (905644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647796 is a wasteful number, since it uses less digits than its factorization.

647796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1501 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 647796 is about 804.8577514070. The cubic root of 647796 is about 86.5258924347.

The spelling of 647796 in words is "six hundred forty-seven thousand, seven hundred ninety-six".