2738844 has 18 divisors (see below), whose sum is σ = 6923280. Its totient is φ = 912936.

The previous prime is 2738821. The next prime is 2738861. The reversal of 2738844 is 4488372.

2738844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 76079 = 2738844 / (2 + 7 + 3 + 8 + 8 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 2738799 and 2738808.

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 5 ways as a sum of consecutive naturals, for example, 38004 + ... + 38075.

2^2738844 is an apocalyptic number.

It is an amenable number.

2738844 is an abundant number, since it is smaller than the sum of its proper divisors (4184436).

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

2738844 is a wasteful number, since it uses less digits than its factorization.

2738844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76089 (or 76084 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 2738844 is about 1654.9453163171. The cubic root of 2738844 is about 139.9122579462.

The spelling of 2738844 in words is "two million, seven hundred thirty-eight thousand, eight hundred forty-four".