28796317 has 8 divisors (see below), whose sum is σ = 33262272. Its totient is φ = 24638400.

The previous prime is 28796297. The next prime is 28796321. The reversal of 28796317 is 71369782.

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 a de Polignac number, because none of the positive numbers 2^k-28796317 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 (28796347) 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, 76809 + ... + 77182.

It is an arithmetic number, because the mean of its divisors is an integer number (4157784).

Almost surely, 2^28796317 is an apocalyptic number.

It is an amenable number.

28796317 is a deficient number, since it is larger than the sum of its proper divisors (4465955).

28796317 is a wasteful number, since it uses less digits than its factorization.

28796317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154019.

The product of its digits is 127008, while the sum is 43.

The square root of 28796317 is about 5366.2199917633. The cubic root of 28796317 is about 306.5107061150.

The spelling of 28796317 in words is "twenty-eight million, seven hundred ninety-six thousand, three hundred seventeen".