2857893 has 8 divisors (see below), whose sum is σ = 3818400. Its totient is φ = 1901328.

The previous prime is 2857891. The next prime is 2857903. The reversal of 2857893 is 3987582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2857893 - 2¹ = 2857891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (477300).

2^2857893 is an apocalyptic number.

It is an amenable number.

2857893 is a deficient number, since it is larger than the sum of its proper divisors (960507).

2857893 is a wasteful number, since it uses less digits than its factorization.

2857893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its digits is 120960, while the sum is 42.

The square root of 2857893 is about 1690.5303901439. The cubic root of 2857893 is about 141.9107585802.

The spelling of 2857893 in words is "two million, eight hundred fifty-seven thousand, eight hundred ninety-three".