2856983 has 4 divisors (see below), whose sum is σ = 2860488. Its totient is φ = 2853480.

The previous prime is 2856977. The next prime is 2857009. The reversal of 2856983 is 3896582.

2856983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2856983 - 2⁴ = 2856967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2856983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856923) 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 3 ways as a sum of consecutive naturals, for example, 185 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (715122).

2^2856983 is an apocalyptic number.

2856983 is a deficient number, since it is larger than the sum of its proper divisors (3505).

2856983 is a wasteful number, since it uses less digits than its factorization.

2856983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504.

The product of its digits is 103680, while the sum is 41.

The square root of 2856983 is about 1690.2612224150. The cubic root of 2856983 is about 141.8956947436.

The spelling of 2856983 in words is "two million, eight hundred fifty-six thousand, nine hundred eighty-three".