2644484 has 6 divisors (see below), whose sum is σ = 4627854. Its totient is φ = 1322240.

The previous prime is 2644451. The next prime is 2644489. The reversal of 2644484 is 4844462.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 334084 = 1520^2 + 578^2 .

It is a d-powerful number, because it can be written as 2⁷ + 6⁷ + 4 + 4⁵ + 4⁶ + 8⁷ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2644484.

It is not an unprimeable number, because it can be changed into a prime (2644489) 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 as a sum of consecutive naturals, namely, 330557 + ... + 330564.

It is an arithmetic number, because the mean of its divisors is an integer number (771309).

2^2644484 is an apocalyptic number.

It is an amenable number.

2644484 is a deficient number, since it is larger than the sum of its proper divisors (1983370).

2644484 is a wasteful number, since it uses less digits than its factorization.

2644484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661125 (or 661123 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 2644484 is about 1626.1869511222. The cubic root of 2644484 is about 138.2866686685.

The spelling of 2644484 in words is "two million, six hundred forty-four thousand, four hundred eighty-four".