947442 has 8 divisors (see below), whose sum is σ = 1894896. Its totient is φ = 315812.

The previous prime is 947431. The next prime is 947449. The reversal of 947442 is 244749.

It is a sphenic number, since it is the product of 3 distinct primes.

947442 is an admirable number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 947442.

It is not an unprimeable number, because it can be changed into a prime (947449) by changing a digit.

947442 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 3 ways as a sum of consecutive naturals, for example, 78948 + ... + 78959.

It is an arithmetic number, because the mean of its divisors is an integer number (236862).

2⁹⁴⁷⁴⁴² is an apocalyptic number.

947442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

947442 is a wasteful number, since it uses less digits than its factorization.

947442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157912.

The product of its digits is 8064, while the sum is 30.

The square root of 947442 is about 973.3663236418. The cubic root of 947442 is about 98.2164451064.

The spelling of 947442 in words is "nine hundred forty-seven thousand, four hundred forty-two".