2820853 has 8 divisors (see below), whose sum is σ = 3265280. Its totient is φ = 2386800.

The previous prime is 2820833. The next prime is 2820863. The reversal of 2820853 is 3580282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2820853 - 2⁵ = 2820821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 3103.

It is an arithmetic number, because the mean of its divisors is an integer number (408160).

2^2820853 is an apocalyptic number.

It is an amenable number.

2820853 is a deficient number, since it is larger than the sum of its proper divisors (444427).

2820853 is an equidigital number, since it uses as much as digits as its factorization.

2820853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2820853 is about 1679.5395202257. The cubic root of 2820853 is about 141.2950079768.

The spelling of 2820853 in words is "two million, eight hundred twenty thousand, eight hundred fifty-three".