2873816 has 48 divisors (see below), whose sum is σ = 6299640. Its totient is φ = 1218560.

The previous prime is 2873809. The next prime is 2873837. The reversal of 2873816 is 6183782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25376 + ... + 25488.

2^2873816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2873816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3149820).

2873816 is an abundant number, since it is smaller than the sum of its proper divisors (3425824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2873816 is a wasteful number, since it uses less digits than its factorization.

2873816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 143 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 2873816 is about 1695.2333172752. The cubic root of 2873816 is about 142.1738266689.

The spelling of 2873816 in words is "two million, eight hundred seventy-three thousand, eight hundred sixteen".