2856969 has 24 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 1760640.

The previous prime is 2856967. The next prime is 2856977. The reversal of 2856969 is 9696582.

2856969 is a `hidden beast` number, since 28 + 569 + 69 = 666.

It is not a de Polignac number, because 2856969 - 2¹ = 2856967 is a prime.

It is a super-2 number, since 2×2856969² = 16324543733922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2856961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10732 + ... + 10994.

It is an arithmetic number, because the mean of its divisors is an integer number (185328).

2^2856969 is an apocalyptic number.

It is an amenable number.

2856969 is a deficient number, since it is larger than the sum of its proper divisors (1590903).

2856969 is a wasteful number, since it uses less digits than its factorization.

2856969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 354 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 2856969 is about 1690.2570810383. The cubic root of 2856969 is about 141.8954629673.

The spelling of 2856969 in words is "two million, eight hundred fifty-six thousand, nine hundred sixty-nine".