28717694 has 8 divisors (see below), whose sum is σ = 43244928. Its totient is φ = 14302720.

The previous prime is 28717691. The next prime is 28717697. The reversal of 28717694 is 49671782.

It is an interprime number because it is at equal distance from previous prime (28717691) and next prime (28717697).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28717691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27422 + ... + 28449.

It is an arithmetic number, because the mean of its divisors is an integer number (5405616).

Almost surely, 2^28717694 is an apocalyptic number.

28717694 is a deficient number, since it is larger than the sum of its proper divisors (14527234).

28717694 is a wasteful number, since it uses less digits than its factorization.

28717694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56130.

The product of its digits is 169344, while the sum is 44.

The square root of 28717694 is about 5358.8892505817. The cubic root of 28717694 is about 306.2314949807.

The spelling of 28717694 in words is "twenty-eight million, seven hundred seventeen thousand, six hundred ninety-four".