2882778 has 8 divisors (see below), whose sum is σ = 5765568. Its totient is φ = 960924.

The previous prime is 2882777. The next prime is 2882801. The reversal of 2882778 is 8772882.

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

2882778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2882771) 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, 240226 + ... + 240237.

It is an arithmetic number, because the mean of its divisors is an integer number (720696).

2^2882778 is an apocalyptic number.

2882778 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.

2882778 is a wasteful number, since it uses less digits than its factorization.

2882778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480468.

The product of its digits is 100352, while the sum is 42.

The square root of 2882778 is about 1697.8745536700. The cubic root of 2882778 is about 142.3214630790.

The spelling of 2882778 in words is "two million, eight hundred eighty-two thousand, seven hundred seventy-eight".