2857283 has 24 divisors (see below), whose sum is σ = 3557520. Its totient is φ = 2271360.

The previous prime is 2857259. The next prime is 2857297. The reversal of 2857283 is 3827582.

It is a happy number.

2857283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2857283 - 2⁶ = 2857219 is a prime.

It is a super-2 number, since 2×2857283² = 16328132284178, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2² + 8² + 5⁹ + 7⁶ + 2¹⁹ + 8⁶ + 3² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857223) 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 in 23 ways as a sum of consecutive naturals, for example, 53885 + ... + 53937.

It is an arithmetic number, because the mean of its divisors is an integer number (148230).

2^2857283 is an apocalyptic number.

2857283 is a deficient number, since it is larger than the sum of its proper divisors (700237).

2857283 is a wasteful number, since it uses less digits than its factorization.

2857283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 106 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 2857283 is about 1690.3499637649. The cubic root of 2857283 is about 141.9006611970.

Subtracting 2857283 from its reverse (3827582), we obtain a cube (970299 = 99³).

The spelling of 2857283 in words is "two million, eight hundred fifty-seven thousand, two hundred eighty-three".