2818816 has 108 divisors (see below), whose sum is σ = 7611856. Its totient is φ = 1013760.

The previous prime is 2818789. The next prime is 2818817. The reversal of 2818816 is 6188182.

It is not an unprimeable number, because it can be changed into a prime (2818817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216826 + ... + 216838.

2^2818816 is an apocalyptic number.

2818816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2818816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3805928).

2818816 is an abundant number, since it is smaller than the sum of its proper divisors (4793040).

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

2818816 is a wasteful number, since it uses less digits than its factorization.

2818816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 33 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 2818816 is about 1678.9329944938. The cubic root of 2818816 is about 141.2609890425.

It can be divided in two parts, 2 and 818816, that added together give a palindrome (818818).

The spelling of 2818816 in words is "two million, eight hundred eighteen thousand, eight hundred sixteen".