2798828 has 12 divisors (see below), whose sum is σ = 5030592. Its totient is φ = 1361520.

The previous prime is 2798821. The next prime is 2798837. The reversal of 2798828 is 8288972.

It is a super-3 number, since 3×2798828³ = 65773338289487278656, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2798821) 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, 9308 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (419216).

2^2798828 is an apocalyptic number.

It is an amenable number.

2798828 is a deficient number, since it is larger than the sum of its proper divisors (2231764).

2798828 is a wasteful number, since it uses less digits than its factorization.

2798828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18952 (or 18950 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 2798828 is about 1672.9698144318. The cubic root of 2798828 is about 140.9263065776.

The spelling of 2798828 in words is "two million, seven hundred ninety-eight thousand, eight hundred twenty-eight".