947940 has 96 divisors (see below), whose sum is σ = 3166464. Its totient is φ = 207360.

The previous prime is 947927. The next prime is 947959. The reversal of 947940 is 49749.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 947940.

It is an unprimeable number.

947940 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 31 ways as a sum of consecutive naturals, for example, 15510 + ... + 15570.

It is an arithmetic number, because the mean of its divisors is an integer number (32984).

2⁹⁴⁷⁹⁴⁰ 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 947940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583232).

947940 is an abundant number, since it is smaller than the sum of its proper divisors (2218524).

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

947940 is a wasteful number, since it uses less digits than its factorization.

947940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 947940 is about 973.6221032824. The cubic root of 947940 is about 98.2336504595.

The spelling of 947940 in words is "nine hundred forty-seven thousand, nine hundred forty".