2740838 has 8 divisors (see below), whose sum is σ = 4121280. Its totient is φ = 1367080.

The previous prime is 2740831. The next prime is 2740853. The reversal of 2740838 is 8380472.

2740838 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740831) 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, 473 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (515160).

2^2740838 is an apocalyptic number.

2740838 is a deficient number, since it is larger than the sum of its proper divisors (1380442).

2740838 is a wasteful number, since it uses less digits than its factorization.

2740838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2740838 is about 1655.5476435307. The cubic root of 2740838 is about 139.9462038208.

The spelling of 2740838 in words is "two million, seven hundred forty thousand, eight hundred thirty-eight".