2748378 has 8 divisors (see below), whose sum is σ = 5496768. Its totient is φ = 916124.

The previous prime is 2748371. The next prime is 2748391. The reversal of 2748378 is 8738472.

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

2748378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2748371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229026 + ... + 229037.

It is an arithmetic number, because the mean of its divisors is an integer number (687096).

2^2748378 is an apocalyptic number.

2748378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2748378 is a wasteful number, since it uses less digits than its factorization.

2748378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458068.

The product of its digits is 75264, while the sum is 39.

The square root of 2748378 is about 1657.8232716427. The cubic root of 2748378 is about 140.0744162198.

The spelling of 2748378 in words is "two million, seven hundred forty-eight thousand, three hundred seventy-eight".