847966 has 16 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 353376.

The previous prime is 847949. The next prime is 847967. The reversal of 847966 is 669748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2⁸⁴⁷⁹⁶⁶ is an apocalyptic number.

847966 is a deficient number, since it is larger than the sum of its proper divisors (645890).

847966 is a wasteful number, since it uses less digits than its factorization.

847966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its digits is 72576, while the sum is 40.

The square root of 847966 is about 920.8506936523. The cubic root of 847966 is about 94.6512047969.

It can be divided in two parts, 8 and 47966, that added together give a palindrome (47974).

The spelling of 847966 in words is "eight hundred forty-seven thousand, nine hundred sixty-six".