2873823 has 8 divisors (see below), whose sum is σ = 3841536. Its totient is φ = 1911000.

The previous prime is 2873809. The next prime is 2873837. The reversal of 2873823 is 3283782.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2873809) and next prime (2873837).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2873823 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2873823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498 + ... + 2448.

It is an arithmetic number, because the mean of its divisors is an integer number (480192).

2^2873823 is an apocalyptic number.

2873823 is a deficient number, since it is larger than the sum of its proper divisors (967713).

2873823 is a wasteful number, since it uses less digits than its factorization.

2873823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

The product of its digits is 16128, while the sum is 33.

The square root of 2873823 is about 1695.2353818865. The cubic root of 2873823 is about 142.1739421038.

The spelling of 2873823 in words is "two million, eight hundred seventy-three thousand, eight hundred twenty-three".