28068830 has 16 divisors (see below), whose sum is σ = 50675760. Its totient is φ = 11193792.

The previous prime is 28068791. The next prime is 28068841. The reversal of 28068830 is 3886082.

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, 575 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (3167235).

Almost surely, 2^28068830 is an apocalyptic number.

28068830 is a deficient number, since it is larger than the sum of its proper divisors (22606930).

28068830 is a wasteful number, since it uses less digits than its factorization.

28068830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443.

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

The square root of 28068830 is about 5298.0024537556. The cubic root of 28068830 is about 303.9075131280.

The spelling of 28068830 in words is "twenty-eight million, sixty-eight thousand, eight hundred thirty".