28316959 has 8 divisors (see below), whose sum is σ = 31023360. Its totient is φ = 25632600.

The previous prime is 28316957. The next prime is 28316969. The reversal of 28316959 is 95961382.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28316959 - 2¹ = 28316957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28316957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757 + ... + 8014.

It is an arithmetic number, because the mean of its divisors is an integer number (3877920).

Almost surely, 2^28316959 is an apocalyptic number.

28316959 is a deficient number, since it is larger than the sum of its proper divisors (2706401).

28316959 is a wasteful number, since it uses less digits than its factorization.

28316959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021.

The product of its digits is 116640, while the sum is 43.

The square root of 28316959 is about 5321.3681511431. The cubic root of 28316959 is about 304.8004033160.

The spelling of 28316959 in words is "twenty-eight million, three hundred sixteen thousand, nine hundred fifty-nine".