947980 has 48 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 331200.

The previous prime is 947963. The next prime is 947987. The reversal of 947980 is 89749.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (947987) 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 15 ways as a sum of consecutive naturals, for example, 6751 + ... + 6889.

It is an arithmetic number, because the mean of its divisors is an integer number (47040).

2⁹⁴⁷⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128960).

947980 is an abundant number, since it is smaller than the sum of its proper divisors (1309940).

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

947980 is a wasteful number, since it uses less digits than its factorization.

947980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 947980 is about 973.6426449165. The cubic root of 947980 is about 98.2350321541.

It can be divided in two parts, 9479 and 80, that added together give a palindrome (9559).

The spelling of 947980 in words is "nine hundred forty-seven thousand, nine hundred eighty".