2847172 has 6 divisors (see below), whose sum is σ = 4982558. Its totient is φ = 1423584.

The previous prime is 2847167. The next prime is 2847179. The reversal of 2847172 is 2717482.

2847172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 331776 = 1586^2 + 576^2 .

It is not an unprimeable number, because it can be changed into a prime (2847179) 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 as a sum of consecutive naturals, namely, 355893 + ... + 355900.

2^2847172 is an apocalyptic number.

It is an amenable number.

2847172 is a deficient number, since it is larger than the sum of its proper divisors (2135386).

2847172 is a wasteful number, since it uses less digits than its factorization.

2847172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711797 (or 711795 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 2847172 is about 1687.3565124182. The cubic root of 2847172 is about 141.7330831982.

The spelling of 2847172 in words is "two million, eight hundred forty-seven thousand, one hundred seventy-two".