2887172 has 6 divisors (see below), whose sum is σ = 5052558. Its totient is φ = 1443584.

The previous prime is 2887151. The next prime is 2887201. The reversal of 2887172 is 2717882.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 678976 = 1486^2 + 824^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360893 + ... + 360900.

It is an arithmetic number, because the mean of its divisors is an integer number (842093).

2^2887172 is an apocalyptic number.

It is an amenable number.

2887172 is a deficient number, since it is larger than the sum of its proper divisors (2165386).

2887172 is a wasteful number, since it uses less digits than its factorization.

2887172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721797 (or 721795 counting only the distinct ones).

The product of its digits is 12544, while the sum is 35.

The square root of 2887172 is about 1699.1680317143. The cubic root of 2887172 is about 142.3937363108.

The spelling of 2887172 in words is "two million, eight hundred eighty-seven thousand, one hundred seventy-two".