28668794 has 16 divisors (see below), whose sum is σ = 53614656. Its totient is φ = 11169600.

The previous prime is 28668763. The next prime is 28668803. The reversal of 28668794 is 49786682.

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, 92927 + ... + 93234.

It is an arithmetic number, because the mean of its divisors is an integer number (3350916).

Almost surely, 2^28668794 is an apocalyptic number.

28668794 is a deficient number, since it is larger than the sum of its proper divisors (24945862).

28668794 is a wasteful number, since it uses less digits than its factorization.

28668794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186181.

The product of its digits is 1161216, while the sum is 50.

The square root of 28668794 is about 5354.3247940333. The cubic root of 28668794 is about 306.0575809735.

The spelling of 28668794 in words is "twenty-eight million, six hundred sixty-eight thousand, seven hundred ninety-four".