847472 has 10 divisors (see below), whose sum is σ = 1642008. Its totient is φ = 423728.

The previous prime is 847453. The next prime is 847477. The reversal of 847472 is 274748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847477) by changing a digit.

847472 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 26468 + ... + 26499.

2⁸⁴⁷⁴⁷² is an apocalyptic number.

It is an amenable number.

847472 is a deficient number, since it is larger than the sum of its proper divisors (794536).

847472 is a wasteful number, since it uses less digits than its factorization.

847472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52975 (or 52969 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 847472 is about 920.5824243380. The cubic root of 847472 is about 94.6328208924.

Adding to 847472 its product of digits (12544), we get a triangular number (860016 = T₁₃₁₁).

The spelling of 847472 in words is "eight hundred forty-seven thousand, four hundred seventy-two".