947982 has 16 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 270840.

The previous prime is 947963. The next prime is 947987. The reversal of 947982 is 289749.

It is a self number, because there is not a number n which added to its sum of digits gives 947982.

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 947982.

It is not an unprimeable number, because it can be changed into a prime (947987) by changing a digit.

947982 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, 11244 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (135432).

2⁹⁴⁷⁹⁸² is an apocalyptic number.

947982 is an abundant number, since it is smaller than the sum of its proper divisors (1218930).

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

947982 is a wasteful number, since it uses less digits than its factorization.

947982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22583.

The product of its digits is 36288, while the sum is 39.

The square root of 947982 is about 973.6436719868. The cubic root of 947982 is about 98.2351012378.

The spelling of 947982 in words is "nine hundred forty-seven thousand, nine hundred eighty-two".