2626864 has 20 divisors (see below), whose sum is σ = 5358040. Its totient is φ = 1244160.

The previous prime is 2626861. The next prime is 2626873. The reversal of 2626864 is 4686262.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁴ + 2²¹ + 6⁴ + 8³ + 6⁴ + 4⁵ .

It is not an unprimeable number, because it can be changed into a prime (2626861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4017 + ... + 4624.

It is an arithmetic number, because the mean of its divisors is an integer number (267902).

2^2626864 is an apocalyptic number.

It is an amenable number.

2626864 is an abundant number, since it is smaller than the sum of its proper divisors (2731176).

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

2626864 is a wasteful number, since it uses less digits than its factorization.

2626864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668 (or 8662 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 2626864 is about 1620.7603154076. The cubic root of 2626864 is about 137.9788527422.

The spelling of 2626864 in words is "two million, six hundred twenty-six thousand, eight hundred sixty-four".