2688899 has 8 divisors (see below), whose sum is σ = 2853840. Its totient is φ = 2526336.

The previous prime is 2688887. The next prime is 2688913. The reversal of 2688899 is 9988862.

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

It is a cyclic number.

It is not a de Polignac number, because 2688899 - 2⁴ = 2688883 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2688859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (356730).

2^2688899 is an apocalyptic number.

2688899 is a deficient number, since it is larger than the sum of its proper divisors (164941).

2688899 is a wasteful number, since it uses less digits than its factorization.

2688899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its digits is 497664, while the sum is 50.

The square root of 2688899 is about 1639.7862665604. The cubic root of 2688899 is about 139.0565648016.

The spelling of 2688899 in words is "two million, six hundred eighty-eight thousand, eight hundred ninety-nine".