2800872 has 32 divisors (see below), whose sum is σ = 7780800. Its totient is φ = 933552.

The previous prime is 2800859. The next prime is 2800873. The reversal of 2800872 is 2780082.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2800873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6268 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (243150).

2^2800872 is an apocalyptic number.

It is an amenable number.

2800872 is an abundant number, since it is smaller than the sum of its proper divisors (4979928).

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

2800872 is a wasteful number, since it uses less digits than its factorization.

2800872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12982 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2800872 is about 1673.5805926217. The cubic root of 2800872 is about 140.9606046572.

The spelling of 2800872 in words is "two million, eight hundred thousand, eight hundred seventy-two".