2685280 has 48 divisors (see below), whose sum is σ = 6837264. Its totient is φ = 990720.

The previous prime is 2685259. The next prime is 2685301. The reversal of 2685280 is 825862.

It is an interprime number because it is at equal distance from previous prime (2685259) and next prime (2685301).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (142443).

2^2685280 is an apocalyptic number.

2685280 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 2685280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3418632).

2685280 is an abundant number, since it is smaller than the sum of its proper divisors (4151984).

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

2685280 is a wasteful number, since it uses less digits than its factorization.

2685280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2685280 is about 1638.6823975377. The cubic root of 2685280 is about 138.9941511953.

The spelling of 2685280 in words is "two million, six hundred eighty-five thousand, two hundred eighty".