2802823 has 4 divisors (see below), whose sum is σ = 2950360. Its totient is φ = 2655288.

The previous prime is 2802797. The next prime is 2802847. The reversal of 2802823 is 3282082.

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

It is not a de Polignac number, because 2802823 - 2⁹ = 2802311 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 (2802853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73740 + ... + 73777.

It is an arithmetic number, because the mean of its divisors is an integer number (737590).

2^2802823 is an apocalyptic number.

2802823 is a deficient number, since it is larger than the sum of its proper divisors (147537).

2802823 is a wasteful number, since it uses less digits than its factorization.

2802823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147536.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2802823 is about 1674.1633731509. The cubic root of 2802823 is about 140.9933266463.

The spelling of 2802823 in words is "two million, eight hundred two thousand, eight hundred twenty-three".