2688085 has 8 divisors (see below), whose sum is σ = 3235896. Its totient is φ = 2143680.

The previous prime is 2688073. The next prime is 2688137. The reversal of 2688085 is 5808862.

It can be written as a sum of positive squares in 4 ways, for example, as 5041 + 2683044 = 71^2 + 1638^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2688085 - 2⁵ = 2688053 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

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, 1467 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (404487).

2^2688085 is an apocalyptic number.

It is an amenable number.

2688085 is a deficient number, since it is larger than the sum of its proper divisors (547811).

2688085 is a wasteful number, since it uses less digits than its factorization.

2688085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2688085 is about 1639.5380446943. The cubic root of 2688085 is about 139.0425313666.

The spelling of 2688085 in words is "two million, six hundred eighty-eight thousand, eighty-five".