2280004 has 6 divisors (see below), whose sum is σ = 3990014. Its totient is φ = 1140000.

The previous prime is 2279993. The next prime is 2280011. The reversal of 2280004 is 4000822.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 722500 = 1248^2 + 850^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2280004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284997 + ... + 285004.

2^2280004 is an apocalyptic number.

It is an amenable number.

2280004 is a deficient number, since it is larger than the sum of its proper divisors (1710010).

2280004 is a wasteful number, since it uses less digits than its factorization.

2280004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570005 (or 570003 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2280004 is about 1509.9682115859. The cubic root of 2280004 is about 131.6169642737.

Adding to 2280004 its reverse (4000822), we get a palindrome (6280826).

The spelling of 2280004 in words is "two million, two hundred eighty thousand, four".