847142 has 8 divisors (see below), whose sum is σ = 1301832. Its totient is φ = 413200.

The previous prime is 847139. The next prime is 847151. The reversal of 847142 is 241748.

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

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 847142.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5084 + ... + 5247.

It is an arithmetic number, because the mean of its divisors is an integer number (162729).

2⁸⁴⁷¹⁴² is an apocalyptic number.

847142 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

847142 is a deficient number, since it is larger than the sum of its proper divisors (454690).

847142 is a wasteful number, since it uses less digits than its factorization.

847142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374.

The product of its digits is 1792, while the sum is 26.

The square root of 847142 is about 920.4031725282. The cubic root of 847142 is about 94.6205361659.

It can be divided in two parts, 847 and 142, that added together give a palindrome (989).

The spelling of 847142 in words is "eight hundred forty-seven thousand, one hundred forty-two".