2850816 has 64 divisors (see below), whose sum is σ = 7864200. Its totient is φ = 917504.

The previous prime is 2850811. The next prime is 2850823. The reversal of 2850816 is 6180582.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98290 + ... + 98318.

2^2850816 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 2850816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932100).

2850816 is an abundant number, since it is smaller than the sum of its proper divisors (5013384).

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

2850816 is an frugal number, since it uses more digits than its factorization.

2850816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2850816 is about 1688.4359626589. The cubic root of 2850816 is about 141.7935238942.

The spelling of 2850816 in words is "two million, eight hundred fifty thousand, eight hundred sixteen".