2856975 has 24 divisors (see below), whose sum is σ = 5154432. Its totient is φ = 1384800.

The previous prime is 2856967. The next prime is 2856977. The reversal of 2856975 is 5796582.

2856975 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 2856975 - 2³ = 2856967 is a prime.

2856975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856977) 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, 907 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (214768).

2^2856975 is an apocalyptic number.

2856975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2856975 is a deficient number, since it is larger than the sum of its proper divisors (2297457).

2856975 is a wasteful number, since it uses less digits than its factorization.

2856975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487 (or 3482 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 2856975 is about 1690.2588559153. The cubic root of 2856975 is about 141.8955623001.

It can be divided in two parts, 285 and 6975, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 2856975 in words is "two million, eight hundred fifty-six thousand, nine hundred seventy-five".