2744864 has 24 divisors (see below), whose sum is σ = 5580288. Its totient is φ = 1327680.

The previous prime is 2744783. The next prime is 2744867. The reversal of 2744864 is 4684472.

2744864 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (232512).

2^2744864 is an apocalyptic number.

It is an amenable number.

2744864 is an abundant number, since it is smaller than the sum of its proper divisors (2835424).

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

2744864 is a wasteful number, since it uses less digits than its factorization.

2744864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808 (or 2800 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 2744864 is about 1656.7631091982. The cubic root of 2744864 is about 140.0146923356.

Adding to 2744864 its product of digits (43008), we get a palindrome (2787872).

The spelling of 2744864 in words is "two million, seven hundred forty-four thousand, eight hundred sixty-four".