2688673 has 4 divisors (see below), whose sum is σ = 2895508. Its totient is φ = 2481840.

The previous prime is 2688667. The next prime is 2688701. The reversal of 2688673 is 3768862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 762129 + 1926544 = 873^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688673 - 2¹³ = 2680481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2688073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103398 + ... + 103423.

It is an arithmetic number, because the mean of its divisors is an integer number (723877).

2^2688673 is an apocalyptic number.

It is an amenable number.

2688673 is a deficient number, since it is larger than the sum of its proper divisors (206835).

2688673 is a wasteful number, since it uses less digits than its factorization.

2688673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206834.

The product of its digits is 96768, while the sum is 40.

The square root of 2688673 is about 1639.7173536924. The cubic root of 2688673 is about 139.0526688248.

The spelling of 2688673 in words is "two million, six hundred eighty-eight thousand, six hundred seventy-three".