2678790 has 16 divisors (see below), whose sum is σ = 6429168. Its totient is φ = 714336.

The previous prime is 2678789. The next prime is 2678807. The reversal of 2678790 is 978762.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44617 + ... + 44676.

It is an arithmetic number, because the mean of its divisors is an integer number (401823).

2^2678790 is an apocalyptic number.

2678790 is an abundant number, since it is smaller than the sum of its proper divisors (3750378).

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

2678790 is a wasteful number, since it uses less digits than its factorization.

2678790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89303.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2678790 is about 1636.7009500822. The cubic root of 2678790 is about 138.8820834591.

The spelling of 2678790 in words is "two million, six hundred seventy-eight thousand, seven hundred ninety".