2857648 has 10 divisors (see below), whose sum is σ = 5536724. Its totient is φ = 1428816.

The previous prime is 2857643. The next prime is 2857661. The reversal of 2857648 is 8467582.

2857648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2857648.

It is not an unprimeable number, because it can be changed into a prime (2857643) 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, 89286 + ... + 89317.

2^2857648 is an apocalyptic number.

It is an amenable number.

2857648 is a deficient number, since it is larger than the sum of its proper divisors (2679076).

2857648 is a wasteful number, since it uses less digits than its factorization.

2857648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178611 (or 178605 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 2857648 is about 1690.4579261253. The cubic root of 2857648 is about 141.9067032465.

The spelling of 2857648 in words is "two million, eight hundred fifty-seven thousand, six hundred forty-eight".