2820794 has 4 divisors (see below), whose sum is σ = 4231194. Its totient is φ = 1410396.

The previous prime is 2820791. The next prime is 2820803. The reversal of 2820794 is 4970282.

2820794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2765569 + 55225 = 1663^2 + 235^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2820794.

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 as a sum of consecutive naturals, namely, 705197 + ... + 705200.

2^2820794 is an apocalyptic number.

2820794 is a deficient number, since it is larger than the sum of its proper divisors (1410400).

2820794 is a wasteful number, since it uses less digits than its factorization.

2820794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410399.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2820794 is about 1679.5219557958. The cubic root of 2820794 is about 141.2940228772.

The spelling of 2820794 in words is "two million, eight hundred twenty thousand, seven hundred ninety-four".