2626564 has 12 divisors (see below), whose sum is σ = 4631004. Its totient is φ = 1303424.

The previous prime is 2626543. The next prime is 2626567. The reversal of 2626564 is 4656262.

It can be written as a sum of positive squares in 2 ways, for example, as 1937664 + 688900 = 1392^2 + 830^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2626567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (385917).

2^2626564 is an apocalyptic number.

It is an amenable number.

2626564 is a deficient number, since it is larger than the sum of its proper divisors (2004440).

2626564 is a wasteful number, since it uses less digits than its factorization.

2626564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4932 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 2626564 is about 1620.6677636086. The cubic root of 2626564 is about 137.9735999348.

The spelling of 2626564 in words is "two million, six hundred twenty-six thousand, five hundred sixty-four".