2684480 has 28 divisors (see below), whose sum is σ = 6393180. Its totient is φ = 1073664.

The previous prime is 2684477. The next prime is 2684509. The reversal of 2684480 is 844862.

It can be written as a sum of positive squares in 2 ways, for example, as 1700416 + 984064 = 1304^2 + 992^2 .

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

It is a d-powerful number, because it can be written as 2²⁰ + 6⁶ + 8⁶ + 4⁷ + 4¹⁰ + 8⁶ + 0 .

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, 3875 + ... + 4514.

2^2684480 is an apocalyptic number.

2684480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684480 is an abundant number, since it is smaller than the sum of its proper divisors (3708700).

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

2684480 is an equidigital number, since it uses as much as digits as its factorization.

2684480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406 (or 8396 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 2684480 is about 1638.4382808028. The cubic root of 2684480 is about 138.9803467547.

The spelling of 2684480 in words is "two million, six hundred eighty-four thousand, four hundred eighty".