2838923 has 4 divisors (see below), whose sum is σ = 2988360. Its totient is φ = 2689488.

The previous prime is 2838919. The next prime is 2838931. The reversal of 2838923 is 3298382.

2838923 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 not a de Polignac number, because 2838923 - 2² = 2838919 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2838023) 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, 74690 + ... + 74727.

It is an arithmetic number, because the mean of its divisors is an integer number (747090).

2^2838923 is an apocalyptic number.

2838923 is a deficient number, since it is larger than the sum of its proper divisors (149437).

2838923 is a wasteful number, since it uses less digits than its factorization.

2838923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149436.

The product of its digits is 20736, while the sum is 35.

The square root of 2838923 is about 1684.9103833735. The cubic root of 2838923 is about 141.5960715552.

The spelling of 2838923 in words is "two million, eight hundred thirty-eight thousand, nine hundred twenty-three".