2857144 has 16 divisors (see below), whose sum is σ = 5639400. Its totient is φ = 1353312.

The previous prime is 2857123. The next prime is 2857159. The reversal of 2857144 is 4417582.

2857144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 9247 + ... + 9550.

2^2857144 is an apocalyptic number.

It is an amenable number.

2857144 is a deficient number, since it is larger than the sum of its proper divisors (2782256).

2857144 is a wasteful number, since it uses less digits than its factorization.

2857144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822 (or 18818 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 2857144 is about 1690.3088475187. The cubic root of 2857144 is about 141.8983601168.

The spelling of 2857144 in words is "two million, eight hundred fifty-seven thousand, one hundred forty-four".