28516359 has 8 divisors (see below), whose sum is σ = 40023040. Its totient is φ = 18010296.

The previous prime is 28516349. The next prime is 28516391. The reversal of 28516359 is 95361582.

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

It is not a de Polignac number, because 28516359 - 2⁷ = 28516231 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 (28516349) 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, 250087 + ... + 250200.

It is an arithmetic number, because the mean of its divisors is an integer number (5002880).

Almost surely, 2^28516359 is an apocalyptic number.

28516359 is a deficient number, since it is larger than the sum of its proper divisors (11506681).

28516359 is a wasteful number, since it uses less digits than its factorization.

28516359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500309.

The product of its digits is 64800, while the sum is 39.

The square root of 28516359 is about 5340.0710669428. The cubic root of 28516359 is about 305.5141699002.

The spelling of 28516359 in words is "twenty-eight million, five hundred sixteen thousand, three hundred fifty-nine".