2797816 has 32 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 1172448.

The previous prime is 2797813. The next prime is 2797819. The reversal of 2797816 is 6187972.

2797816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2797813) and next prime (2797819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2101 + ... + 3163.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2797816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064320).

2797816 is an abundant number, since it is smaller than the sum of its proper divisors (3330824).

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

2797816 is a wasteful number, since it uses less digits than its factorization.

2797816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1119 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 2797816 is about 1672.6673309418. The cubic root of 2797816 is about 140.9093191558.

The spelling of 2797816 in words is "two million, seven hundred ninety-seven thousand, eight hundred sixteen".