28679315 has 8 divisors (see below), whose sum is σ = 39331680. Its totient is φ = 19665792.

The previous prime is 28679297. The next prime is 28679359. The reversal of 28679315 is 51397682.

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 28679315 - 2²⁰ = 27630739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409670 + ... + 409739.

It is an arithmetic number, because the mean of its divisors is an integer number (4916460).

Almost surely, 2^28679315 is an apocalyptic number.

28679315 is a deficient number, since it is larger than the sum of its proper divisors (10652365).

28679315 is an equidigital number, since it uses as much as digits as its factorization.

28679315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819421.

The product of its digits is 90720, while the sum is 41.

The square root of 28679315 is about 5355.3071807320. The cubic root of 28679315 is about 306.0950158466.

The spelling of 28679315 in words is "twenty-eight million, six hundred seventy-nine thousand, three hundred fifteen".