2798836 has 6 divisors (see below), whose sum is σ = 4897970. Its totient is φ = 1399416.

The previous prime is 2798821. The next prime is 2798837. The reversal of 2798836 is 6388972.

It can be written as a sum of positive squares in only one way, i.e., 2702736 + 96100 = 1644^2 + 310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2798792 and 2798801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349851 + ... + 349858.

2^2798836 is an apocalyptic number.

It is an amenable number.

2798836 is a deficient number, since it is larger than the sum of its proper divisors (2099134).

2798836 is a wasteful number, since it uses less digits than its factorization.

2798836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699713 (or 699711 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 2798836 is about 1672.9722053878. The cubic root of 2798836 is about 140.9264408492.

The spelling of 2798836 in words is "two million, seven hundred ninety-eight thousand, eight hundred thirty-six".