2830812 has 12 divisors (see below), whose sum is σ = 6605256. Its totient is φ = 943600.

The previous prime is 2830801. The next prime is 2830813. The reversal of 2830812 is 2180382.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830813) 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, 117939 + ... + 117962.

It is an arithmetic number, because the mean of its divisors is an integer number (550438).

2^2830812 is an apocalyptic number.

It is an amenable number.

2830812 is an abundant number, since it is smaller than the sum of its proper divisors (3774444).

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

2830812 is a wasteful number, since it uses less digits than its factorization.

2830812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235908 (or 235906 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2830812 is about 1682.5017087658. The cubic root of 2830812 is about 141.4610929919.

The spelling of 2830812 in words is "two million, eight hundred thirty thousand, eight hundred twelve".