2686280 has 16 divisors (see below), whose sum is σ = 6044220. Its totient is φ = 1074496.

The previous prime is 2686273. The next prime is 2686283. The reversal of 2686280 is 826862.

It is a happy number.

2686280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2328676 + 357604 = 1526^2 + 598^2 .

It is a super-2 number, since 2×2686280² = 14432200476800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2686283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33539 + ... + 33618.

2^2686280 is an apocalyptic number.

2686280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686280 is an abundant number, since it is smaller than the sum of its proper divisors (3357940).

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

2686280 is a wasteful number, since it uses less digits than its factorization.

2686280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67168 (or 67164 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2686280 is about 1638.9874923257. The cubic root of 2686280 is about 139.0114028911.

The spelling of 2686280 in words is "two million, six hundred eighty-six thousand, two hundred eighty".