2689928 has 32 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 1280640.

The previous prime is 2689903. The next prime is 2689931. The reversal of 2689928 is 8299862.

2689928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹³ + 6 + 8³ + 9³ + 9⁵ + 2¹⁹ + 8⁷ .

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, 19283 + ... + 19421.

It is an arithmetic number, because the mean of its divisors is an integer number (165375).

2^2689928 is an apocalyptic number.

It is an amenable number.

2689928 is a deficient number, since it is larger than the sum of its proper divisors (2602072).

2689928 is a wasteful number, since it uses less digits than its factorization.

2689928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 241 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 2689928 is about 1640.0999969514. The cubic root of 2689928 is about 139.0743008039.

The spelling of 2689928 in words is "two million, six hundred eighty-nine thousand, nine hundred twenty-eight".