2685480 has 128 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 582912.

The previous prime is 2685467. The next prime is 2685481. The reversal of 2685480 is 845862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19251 + ... + 19389.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^2685480 is an apocalyptic number.

2685480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2685480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838400).

2685480 is an abundant number, since it is smaller than the sum of its proper divisors (6991320).

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

2685480 is a wasteful number, since it uses less digits than its factorization.

2685480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2685480 is about 1638.7434210394. The cubic root of 2685480 is about 138.9976018771.

The spelling of 2685480 in words is "two million, six hundred eighty-five thousand, four hundred eighty".