2648444 has 6 divisors (see below), whose sum is σ = 4634784. Its totient is φ = 1324220.

The previous prime is 2648419. The next prime is 2648449. The reversal of 2648444 is 4448462.

2648444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2648444² = 14028511242272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2648444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331052 + ... + 331059.

It is an arithmetic number, because the mean of its divisors is an integer number (772464).

2^2648444 is an apocalyptic number.

It is an amenable number.

2648444 is a deficient number, since it is larger than the sum of its proper divisors (1986340).

2648444 is a wasteful number, since it uses less digits than its factorization.

2648444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662115 (or 662113 counting only the distinct ones).

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

The square root of 2648444 is about 1627.4040678332. The cubic root of 2648444 is about 138.3556603371.

It can be divided in two parts, 264 and 8444, that multiplied together give a triangular number (2229216 = T₂₁₁₁).

The spelling of 2648444 in words is "two million, six hundred forty-eight thousand, four hundred forty-four".