2798004 has 72 divisors (see below), whose sum is σ = 7507584. Its totient is φ = 809600.

The previous prime is 2797999. The next prime is 2798011. The reversal of 2798004 is 4008972.

2798004 = 88² + 89² + ... + 208².

2798004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59509 + ... + 59555.

It is an arithmetic number, because the mean of its divisors is an integer number (104272).

2^2798004 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 2798004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3753792).

2798004 is an abundant number, since it is smaller than the sum of its proper divisors (4709580).

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

2798004 is a wasteful number, since it uses less digits than its factorization.

2798004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2798004 is about 1672.7235276638. The cubic root of 2798004 is about 140.9124752317.

Subtracting from 2798004 its product of nonzero digits (4032), we obtain a palindrome (2793972).

The spelling of 2798004 in words is "two million, seven hundred ninety-eight thousand, four".