2804265 has 24 divisors (see below), whose sum is σ = 4916808. Its totient is φ = 1478400.

The previous prime is 2804257. The next prime is 2804273. The reversal of 2804265 is 5624082.

It is an interprime number because it is at equal distance from previous prime (2804257) and next prime (2804273).

It can be written as a sum of positive squares in 4 ways, for example, as 257049 + 2547216 = 507^2 + 1596^2 .

It is not a de Polignac number, because 2804265 - 2³ = 2804257 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

2804265 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4237 + ... + 4853.

It is an arithmetic number, because the mean of its divisors is an integer number (204867).

2^2804265 is an apocalyptic number.

It is an amenable number.

2804265 is a deficient number, since it is larger than the sum of its proper divisors (2112543).

2804265 is a wasteful number, since it uses less digits than its factorization.

2804265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2804265 is about 1674.5939806413. The cubic root of 2804265 is about 141.0175019771.

The spelling of 2804265 in words is "two million, eight hundred four thousand, two hundred sixty-five".