2818516 has 12 divisors (see below), whose sum is σ = 4962132. Its totient is φ = 1400768.

The previous prime is 2818513. The next prime is 2818523. The reversal of 2818516 is 6158182.

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 1368900 = 1204^2 + 1170^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818513) 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, 1345 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (413511).

2^2818516 is an apocalyptic number.

It is an amenable number.

2818516 is a deficient number, since it is larger than the sum of its proper divisors (2143616).

2818516 is a wasteful number, since it uses less digits than its factorization.

2818516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250 (or 4248 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 2818516 is about 1678.8436496589. The cubic root of 2818516 is about 141.2559775057.

The spelling of 2818516 in words is "two million, eight hundred eighteen thousand, five hundred sixteen".