2804000 has 48 divisors (see below), whose sum is σ = 6899256. Its totient is φ = 1120000.

The previous prime is 2803991. The next prime is 2804023. The reversal of 2804000 is 4082.

It can be written as a sum of positive squares in 4 ways, for example, as 1373584 + 1430416 = 1172^2 + 1196^2 .

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, 3650 + ... + 4350.

2^2804000 is an apocalyptic number.

2804000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2804000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449628).

2804000 is an abundant number, since it is smaller than the sum of its proper divisors (4095256).

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

2804000 is an equidigital number, since it uses as much as digits as its factorization.

2804000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2804000 is about 1674.5148551148. The cubic root of 2804000 is about 141.0130598369.

Adding to 2804000 its reverse (4082), we get a palindrome (2808082).

The spelling of 2804000 in words is "two million, eight hundred four thousand".