2688830 has 8 divisors (see below), whose sum is σ = 4839912. Its totient is φ = 1075528.

The previous prime is 2688817. The next prime is 2688859. The reversal of 2688830 is 388862.

2688830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134432 + ... + 134451.

It is an arithmetic number, because the mean of its divisors is an integer number (604989).

2^2688830 is an apocalyptic number.

2688830 is a deficient number, since it is larger than the sum of its proper divisors (2151082).

2688830 is a wasteful number, since it uses less digits than its factorization.

2688830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268890.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2688830 is about 1639.7652270981. The cubic root of 2688830 is about 139.0553753451.

Subtracting from 2688830 its reverse (388862), we obtain a cube (2299968 = 132³).

The spelling of 2688830 in words is "two million, six hundred eighty-eight thousand, eight hundred thirty".