2831564 has 12 divisors (see below), whose sum is σ = 4983888. Its totient is φ = 1407600.

The previous prime is 2831561. The next prime is 2831603. The reversal of 2831564 is 4651382.

2831564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2831561) 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, 1232 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (415324).

2^2831564 is an apocalyptic number.

It is an amenable number.

2831564 is a deficient number, since it is larger than the sum of its proper divisors (2152324).

2831564 is a wasteful number, since it uses less digits than its factorization.

2831564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096 (or 4094 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 2831564 is about 1682.7251706681. The cubic root of 2831564 is about 141.4736181759.

The spelling of 2831564 in words is "two million, eight hundred thirty-one thousand, five hundred sixty-four".