2856424 has 16 divisors (see below), whose sum is σ = 5379300. Its totient is φ = 1421952.

The previous prime is 2856421. The next prime is 2856431. The reversal of 2856424 is 4246582.

It can be written as a sum of positive squares in 2 ways, for example, as 2856100 + 324 = 1690^2 + 18^2 .

It is not an unprimeable number, because it can be changed into a prime (2856421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572 + ... + 2860.

2^2856424 is an apocalyptic number.

It is an amenable number.

2856424 is a deficient number, since it is larger than the sum of its proper divisors (2522876).

2856424 is a wasteful number, since it uses less digits than its factorization.

2856424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1568 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 2856424 is about 1690.0958552698. The cubic root of 2856424 is about 141.8864396580.

The spelling of 2856424 in words is "two million, eight hundred fifty-six thousand, four hundred twenty-four".