2820793 has 8 divisors (see below), whose sum is σ = 3028968. Its totient is φ = 2617344.

The previous prime is 2820791. The next prime is 2820803. The reversal of 2820793 is 3970282.

2820793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1447209 + 1373584 = 1203^2 + 1172^2 .

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 2820793 - 2¹ = 2820791 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820791) 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, 105 + ... + 2377.

It is an arithmetic number, because the mean of its divisors is an integer number (378621).

2^2820793 is an apocalyptic number.

It is an amenable number.

2820793 is a deficient number, since it is larger than the sum of its proper divisors (208175).

2820793 is a wasteful number, since it uses less digits than its factorization.

2820793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2820793 is about 1679.5216580920. The cubic root of 2820793 is about 141.2940061805.

The spelling of 2820793 in words is "two million, eight hundred twenty thousand, seven hundred ninety-three".