2788872 has 32 divisors (see below), whose sum is σ = 7214400. Its totient is φ = 897344.

The previous prime is 2788831. The next prime is 2788889.

2788872 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (225450).

2^2788872 is an apocalyptic number.

It is an amenable number.

2788872 is an abundant number, since it is smaller than the sum of its proper divisors (4425528).

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

2788872 is a wasteful number, since it uses less digits than its factorization.

2788872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4041 counting only the distinct ones).

The product of its digits is 100352, while the sum is 42.

The square root of 2788872 is about 1669.9916167454. The cubic root of 2788872 is about 140.7590068765.

The spelling of 2788872 in words is "two million, seven hundred eighty-eight thousand, eight hundred seventy-two".