2800869 has 8 divisors (see below), whose sum is σ = 3954240. Its totient is φ = 1757376.

The previous prime is 2800859. The next prime is 2800873. The reversal of 2800869 is 9680082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2800869 - 2¹¹ = 2798821 is a prime.

It is a super-2 number, since 2×2800869² = 15689734310322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27409 + ... + 27510.

It is an arithmetic number, because the mean of its divisors is an integer number (494280).

2^2800869 is an apocalyptic number.

It is an amenable number.

2800869 is a deficient number, since it is larger than the sum of its proper divisors (1153371).

2800869 is a wasteful number, since it uses less digits than its factorization.

2800869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54939.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2800869 is about 1673.5796963396. The cubic root of 2800869 is about 140.9605543298.

The spelling of 2800869 in words is "two million, eight hundred thousand, eight hundred sixty-nine".