2444648 has 8 divisors (see below), whose sum is σ = 4583730. Its totient is φ = 1222320.

The previous prime is 2444639. The next prime is 2444653. The reversal of 2444648 is 8464442.

It can be written as a sum of positive squares in only one way, i.e., 2316484 + 128164 = 1522^2 + 358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152783 + ... + 152798.

2^2444648 is an apocalyptic number.

It is an amenable number.

2444648 is a deficient number, since it is larger than the sum of its proper divisors (2139082).

2444648 is a wasteful number, since it uses less digits than its factorization.

2444648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305587 (or 305583 counting only the distinct ones).

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

The square root of 2444648 is about 1563.5370158714. The cubic root of 2444648 is about 134.7117397512.

The spelling of 2444648 in words is "two million, four hundred forty-four thousand, six hundred forty-eight".