2448644 has 48 divisors (see below), whose sum is σ = 5140800. Its totient is φ = 1008000.

The previous prime is 2448637. The next prime is 2448647. The reversal of 2448644 is 4468442.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2448644.

It is not an unprimeable number, because it can be changed into a prime (2448647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24194 + ... + 24294.

It is an arithmetic number, because the mean of its divisors is an integer number (107100).

2^2448644 is an apocalyptic number.

It is an amenable number.

2448644 is an abundant number, since it is smaller than the sum of its proper divisors (2692156).

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

2448644 is a wasteful number, since it uses less digits than its factorization.

2448644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 162 counting only the distinct ones).

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

The square root of 2448644 is about 1564.8143659872. The cubic root of 2448644 is about 134.7850993342.

It can be divided in two parts, 244 and 8644, that added together give a palindrome (8888).

The spelling of 2448644 in words is "two million, four hundred forty-eight thousand, six hundred forty-four".