2609944 has 16 divisors (see below), whose sum is σ = 4941000. Its totient is φ = 1292352.

The previous prime is 2609911. The next prime is 2609947. The reversal of 2609944 is 4499062.

2609944 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2609944³ = 53335309775264113152, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609947) 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 in 3 ways as a sum of consecutive naturals, for example, 669 + ... + 2380.

2^2609944 is an apocalyptic number.

It is an amenable number.

2609944 is a deficient number, since it is larger than the sum of its proper divisors (2331056).

2609944 is a wasteful number, since it uses less digits than its factorization.

2609944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3158 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2609944 is about 1615.5321104825. The cubic root of 2609944 is about 137.6819673429.

It can be divided in two parts, 2609 and 944, that added together give a palindrome (3553).

The spelling of 2609944 in words is "two million, six hundred nine thousand, nine hundred forty-four".