2840678 has 8 divisors (see below), whose sum is σ = 4280472. Its totient is φ = 1413856.

The previous prime is 2840657. The next prime is 2840681. The reversal of 2840678 is 8760482.

2840678 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, 2675 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (535059).

2^2840678 is an apocalyptic number.

2840678 is a deficient number, since it is larger than the sum of its proper divisors (1439794).

2840678 is a wasteful number, since it uses less digits than its factorization.

2840678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2840678 is about 1685.4311021219. The cubic root of 2840678 is about 141.6252434061.

The spelling of 2840678 in words is "two million, eight hundred forty thousand, six hundred seventy-eight".