2856535 has 16 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 2058400.

The previous prime is 2856521. The next prime is 2856547. The reversal of 2856535 is 5356582.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2856535 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 2856535.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9030 + ... + 9340.

It is an arithmetic number, because the mean of its divisors is an integer number (235872).

2^2856535 is an apocalyptic number.

2856535 is a deficient number, since it is larger than the sum of its proper divisors (917417).

2856535 is a wasteful number, since it uses less digits than its factorization.

2856535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its digits is 36000, while the sum is 34.

The square root of 2856535 is about 1690.1286933249. The cubic root of 2856535 is about 141.8882775260. Note that the first 3 decimals are identical.

The spelling of 2856535 in words is "two million, eight hundred fifty-six thousand, five hundred thirty-five".