2649944 has 16 divisors (see below), whose sum is σ = 5420520. Its totient is φ = 1204480.

The previous prime is 2649931. The next prime is 2649967. The reversal of 2649944 is 4499462.

2649944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2649898 and 2649907.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14969 + ... + 15144.

2^2649944 is an apocalyptic number.

It is an amenable number.

2649944 is an abundant number, since it is smaller than the sum of its proper divisors (2770576).

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

2649944 is a wasteful number, since it uses less digits than its factorization.

2649944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30130 (or 30126 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 2649944 is about 1627.8648592558. The cubic root of 2649944 is about 138.3817755860.

It can be divided in two parts, 2 and 649944, that added together give a palindrome (649946).

The spelling of 2649944 in words is "two million, six hundred forty-nine thousand, nine hundred forty-four".