2798812 has 24 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 1297920.

The previous prime is 2798777. The next prime is 2798821. The reversal of 2798812 is 2188972.

It is a super-2 number, since 2×2798812² = 15666697222688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5112 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

2^2798812 is an apocalyptic number.

It is an amenable number.

2798812 is a deficient number, since it is larger than the sum of its proper divisors (2462948).

2798812 is a wasteful number, since it uses less digits than its factorization.

2798812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 619 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 2798812 is about 1672.9650325096. The cubic root of 2798812 is about 140.9260380336.

The spelling of 2798812 in words is "two million, seven hundred ninety-eight thousand, eight hundred twelve".