2800049 has 16 divisors (see below), whose sum is σ = 3465600. Its totient is φ = 2208384.

The previous prime is 2800033. The next prime is 2800051. The reversal of 2800049 is 9400082.

It is a cyclic number.

It is not a de Polignac number, because 2800049 - 2⁴ = 2800033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2799997 and 2800033.

It is not an unprimeable number, because it can be changed into a prime (2800069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4637 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (216600).

2^2800049 is an apocalyptic number.

It is an amenable number.

2800049 is a deficient number, since it is larger than the sum of its proper divisors (665551).

2800049 is a wasteful number, since it uses less digits than its factorization.

2800049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2800049 is about 1673.3346945546. The cubic root of 2800049 is about 140.9467968214.

The spelling of 2800049 in words is "two million, eight hundred thousand, forty-nine".