2685580 has 24 divisors (see below), whose sum is σ = 5761728. Its totient is φ = 1051008.

The previous prime is 2685577. The next prime is 2685581. The reversal of 2685580 is 855862.

2685580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2685581) 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 7 ways as a sum of consecutive naturals, for example, 489 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (240072).

2^2685580 is an apocalyptic number.

2685580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2685580 is an abundant number, since it is smaller than the sum of its proper divisors (3076148).

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

2685580 is a wasteful number, since it uses less digits than its factorization.

2685580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2911 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2685580 is about 1638.7739319381. The cubic root of 2685580 is about 138.9993271537. Note that the first 3 decimals are identical.

The spelling of 2685580 in words is "two million, six hundred eighty-five thousand, five hundred eighty".