28108694 has 8 divisors (see below), whose sum is σ = 42407280. Its totient is φ = 13972936.

The previous prime is 28108673. The next prime is 28108777. The reversal of 28108694 is 49680182.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40274 + ... + 40965.

It is an arithmetic number, because the mean of its divisors is an integer number (5300910).

Almost surely, 2^28108694 is an apocalyptic number.

28108694 is a deficient number, since it is larger than the sum of its proper divisors (14298586).

28108694 is a wasteful number, since it uses less digits than its factorization.

28108694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81414.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 28108694 is about 5301.7632915852. The cubic root of 28108694 is about 304.0513172256.

The spelling of 28108694 in words is "twenty-eight million, one hundred eight thousand, six hundred ninety-four".