2864564 has 12 divisors (see below), whose sum is σ = 5024964. Its totient is φ = 1428864.

The previous prime is 2864557. The next prime is 2864569. The reversal of 2864564 is 4654682.

It can be written as a sum of positive squares in 2 ways, for example, as 2748964 + 115600 = 1658^2 + 340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2444 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (418747).

2^2864564 is an apocalyptic number.

It is an amenable number.

2864564 is a deficient number, since it is larger than the sum of its proper divisors (2160400).

2864564 is a wasteful number, since it uses less digits than its factorization.

2864564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1712 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 2864564 is about 1692.5022895110. The cubic root of 2864564 is about 142.0210905657.

The spelling of 2864564 in words is "two million, eight hundred sixty-four thousand, five hundred sixty-four".