2820318 has 32 divisors (see below), whose sum is σ = 5944320. Its totient is φ = 890880.

The previous prime is 2820313. The next prime is 2820319. The reversal of 2820318 is 8130282.

2820318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2820318² = 15908387242248, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820313) 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 15 ways as a sum of consecutive naturals, for example, 10846 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (185760).

2^2820318 is an apocalyptic number.

2820318 is an abundant number, since it is smaller than the sum of its proper divisors (3124002).

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

2820318 is a wasteful number, since it uses less digits than its factorization.

2820318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2820318 is about 1679.3802428277. The cubic root of 2820318 is about 141.2860747914.

The spelling of 2820318 in words is "two million, eight hundred twenty thousand, three hundred eighteen".