2790816 has 48 divisors (see below), whose sum is σ = 8374464. Its totient is φ = 797184.

The previous prime is 2790779. The next prime is 2790841. The reversal of 2790816 is 6180972.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405 + ... + 2748.

It is an arithmetic number, because the mean of its divisors is an integer number (174468).

2^2790816 is an apocalyptic number.

It is an amenable number.

2790816 is an abundant number, since it is smaller than the sum of its proper divisors (5583648).

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

2790816 is a wasteful number, since it uses less digits than its factorization.

2790816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173 (or 4165 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2790816 is about 1670.5735542023. The cubic root of 2790816 is about 140.7917049176.

The spelling of 2790816 in words is "two million, seven hundred ninety thousand, eight hundred sixteen".