2564336 has 20 divisors (see below), whose sum is σ = 4994472. Its totient is φ = 1275456.

The previous prime is 2564333. The next prime is 2564347. The reversal of 2564336 is 6334652.

It is a junction number, because it is equal to n+sod(n) for n = 2564299 and 2564308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564333) 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, 4415 + ... + 4961.

2^2564336 is an apocalyptic number.

It is an amenable number.

2564336 is a deficient number, since it is larger than the sum of its proper divisors (2430136).

2564336 is a wasteful number, since it uses less digits than its factorization.

2564336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 842 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 2564336 is about 1601.3544267276. The cubic root of 2564336 is about 136.8752660837.

Adding to 2564336 its reverse (6334652), we get a palindrome (8898988).

The spelling of 2564336 in words is "two million, five hundred sixty-four thousand, three hundred thirty-six".