2685568 has 16 divisors (see below), whose sum is σ = 5350410. Its totient is φ = 1342720.

The previous prime is 2685547. The next prime is 2685577. The reversal of 2685568 is 8655862.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 399424 = 1512^2 + 632^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 2685568.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10363 + ... + 10618.

2^2685568 is an apocalyptic number.

It is an amenable number.

2685568 is a deficient number, since it is larger than the sum of its proper divisors (2664842).

2685568 is an equidigital number, since it uses as much as digits as its factorization.

2685568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20995 (or 20983 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 2685568 is about 1638.7702706603. The cubic root of 2685568 is about 138.9991201228. Note that the first 3 decimals are identical.

The spelling of 2685568 in words is "two million, six hundred eighty-five thousand, five hundred sixty-eight".