2684560 has 40 divisors (see below), whose sum is σ = 6517440. Its totient is φ = 1026432.

The previous prime is 2684551. The next prime is 2684587. The reversal of 2684560 is 654862.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 1111 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (162936).

2^2684560 is an apocalyptic number.

2684560 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 2684560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3258720).

2684560 is an abundant number, since it is smaller than the sum of its proper divisors (3832880).

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

2684560 is a wasteful number, since it uses less digits than its factorization.

2684560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2684560 is about 1638.4626941130. The cubic root of 2684560 is about 138.9817273221.

The spelling of 2684560 in words is "two million, six hundred eighty-four thousand, five hundred sixty".