2644468 has 6 divisors (see below), whose sum is σ = 4627826. Its totient is φ = 1322232.

The previous prime is 2644451. The next prime is 2644489. The reversal of 2644468 is 8644462.

It is a happy number.

2644468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 605284 = 1428^2 + 778^2 .

It is a super-2 number, since 2×2644468² = 13986422006048, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 330555 + ... + 330562.

2^2644468 is an apocalyptic number.

It is an amenable number.

2644468 is a deficient number, since it is larger than the sum of its proper divisors (1983358).

2644468 is a wasteful number, since it uses less digits than its factorization.

2644468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661121 (or 661119 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 2644468 is about 1626.1820316311. The cubic root of 2644468 is about 138.2863897746.

The spelling of 2644468 in words is "two million, six hundred forty-four thousand, four hundred sixty-eight".