2444864 has 14 divisors (see below), whose sum is σ = 4851654. Its totient is φ = 1222400.

The previous prime is 2444839. The next prime is 2444867. The reversal of 2444864 is 4684442.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 462400 = 1408^2 + 680^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 2²¹ + 4⁵ + 4⁵ + 4⁶ + 8⁵ + 6⁶ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2444864.

It is not an unprimeable number, because it can be changed into a prime (2444867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19037 + ... + 19164.

2^2444864 is an apocalyptic number.

It is an amenable number.

2444864 is a deficient number, since it is larger than the sum of its proper divisors (2406790).

2444864 is an equidigital number, since it uses as much as digits as its factorization.

2444864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38213 (or 38203 counting only the distinct ones).

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

The square root of 2444864 is about 1563.6060885018. The cubic root of 2444864 is about 134.7157071770.

The spelling of 2444864 in words is "two million, four hundred forty-four thousand, eight hundred sixty-four".