2993823 has 12 divisors (see below), whose sum is σ = 4942288. Its totient is φ = 1710720.

The previous prime is 2993813. The next prime is 2993827. The reversal of 2993823 is 3283992.

It is not a de Polignac number, because 2993823 - 2⁵ = 2993791 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 (2993827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23698 + ... + 23823.

2^2993823 is an apocalyptic number.

2993823 is a deficient number, since it is larger than the sum of its proper divisors (1948465).

2993823 is a wasteful number, since it uses less digits than its factorization.

2993823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47534 (or 47531 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2993823 is about 1730.2667424418. The cubic root of 2993823 is about 144.1259026197.

The spelling of 2993823 in words is "two million, nine hundred ninety-three thousand, eight hundred twenty-three".