2566326 has 64 divisors (see below), whose sum is σ = 6336000. Its totient is φ = 691488.

The previous prime is 2566307. The next prime is 2566327. The reversal of 2566326 is 6236652.

2566326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2566293 and 2566302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566327) 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 31 ways as a sum of consecutive naturals, for example, 59661 + ... + 59703.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2^2566326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3168000).

2566326 is an abundant number, since it is smaller than the sum of its proper divisors (3769674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2566326 is a wasteful number, since it uses less digits than its factorization.

2566326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 84 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 2566326 is about 1601.9756552457. The cubic root of 2566326 is about 136.9106633368.

The spelling of 2566326 in words is "two million, five hundred sixty-six thousand, three hundred twenty-six".