802647 has 12 divisors (see below), whose sum is σ = 1172184. Its totient is φ = 529200.

The previous prime is 802643. The next prime is 802649. The reversal of 802647 is 746208.

It is not a de Polignac number, because 802647 - 2² = 802643 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 802647.

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 802647.

It is not an unprimeable number, because it can be changed into a prime (802643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (97682).

2⁸⁰²⁶⁴⁷ is an apocalyptic number.

802647 is a deficient number, since it is larger than the sum of its proper divisors (369537).

802647 is a wasteful number, since it uses less digits than its factorization.

802647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 802647 is about 895.9056870006. The cubic root of 802647 is about 92.9340496702.

The spelling of 802647 in words is "eight hundred two thousand, six hundred forty-seven".