2744438 has 8 divisors (see below), whose sum is σ = 4228032. Its totient is φ = 1335096.

The previous prime is 2744419. The next prime is 2744447. The reversal of 2744438 is 8344472.

2744438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 18470 + ... + 18617.

It is an arithmetic number, because the mean of its divisors is an integer number (528504).

2^2744438 is an apocalyptic number.

2744438 is a deficient number, since it is larger than the sum of its proper divisors (1483594).

2744438 is a wasteful number, since it uses less digits than its factorization.

2744438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37126.

The product of its digits is 21504, while the sum is 32.

The square root of 2744438 is about 1656.6345402653. The cubic root of 2744438 is about 140.0074485833.

The spelling of 2744438 in words is "two million, seven hundred forty-four thousand, four hundred thirty-eight".