2873811 has 4 divisors (see below), whose sum is σ = 3831752. Its totient is φ = 1915872.

The previous prime is 2873809. The next prime is 2873837. The reversal of 2873811 is 1183782.

It is a happy number.

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

It is not a de Polignac number, because 2873811 - 2¹ = 2873809 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2873851) 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, 478966 + ... + 478971.

It is an arithmetic number, because the mean of its divisors is an integer number (957938).

2^2873811 is an apocalyptic number.

2873811 is a deficient number, since it is larger than the sum of its proper divisors (957941).

2873811 is an equidigital number, since it uses as much as digits as its factorization.

2873811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957940.

The product of its digits is 2688, while the sum is 30.

The square root of 2873811 is about 1695.2318425513. The cubic root of 2873811 is about 142.1737442153.

The spelling of 2873811 in words is "two million, eight hundred seventy-three thousand, eight hundred eleven".