2788160 has 28 divisors (see below), whose sum is σ = 6640068. Its totient is φ = 1115136.

The previous prime is 2788133. The next prime is 2788199. The reversal of 2788160 is 618872.

It can be written as a sum of positive squares in 2 ways, for example, as 2027776 + 760384 = 1424^2 + 872^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4037 + ... + 4676.

2^2788160 is an apocalyptic number.

2788160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2788160 is an abundant number, since it is smaller than the sum of its proper divisors (3851908).

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

2788160 is an equidigital number, since it uses as much as digits as its factorization.

2788160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730 (or 8720 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2788160 is about 1669.7784284150. The cubic root of 2788160 is about 140.7470272490.

The spelling of 2788160 in words is "two million, seven hundred eighty-eight thousand, one hundred sixty".