2770823 has 4 divisors (see below), whose sum is σ = 3022728. Its totient is φ = 2518920.

The previous prime is 2770799. The next prime is 2770829. The reversal of 2770823 is 3280772.

2770823 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 is a cyclic number.

It is not a de Polignac number, because 2770823 - 2¹² = 2766727 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 (2770829) 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 3 ways as a sum of consecutive naturals, for example, 125936 + ... + 125957.

It is an arithmetic number, because the mean of its divisors is an integer number (755682).

2^2770823 is an apocalyptic number.

2770823 is a deficient number, since it is larger than the sum of its proper divisors (251905).

2770823 is a wasteful number, since it uses less digits than its factorization.

2770823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251904.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2770823 is about 1664.5789257347. The cubic root of 2770823 is about 140.4546951018.

The spelling of 2770823 in words is "two million, seven hundred seventy thousand, eight hundred twenty-three".