2878816 has 12 divisors (see below), whose sum is σ = 5667732. Its totient is φ = 1439392.

The previous prime is 2878793. The next prime is 2878819. The reversal of 2878816 is 6188782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950 + ... + 45013.

It is an arithmetic number, because the mean of its divisors is an integer number (472311).

2^2878816 is an apocalyptic number.

It is an amenable number.

2878816 is a deficient number, since it is larger than the sum of its proper divisors (2788916).

2878816 is an equidigital number, since it uses as much as digits as its factorization.

2878816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89973 (or 89965 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 2878816 is about 1696.7073996420. The cubic root of 2878816 is about 142.2562324624.

The spelling of 2878816 in words is "two million, eight hundred seventy-eight thousand, eight hundred sixteen".