28679313 has 8 divisors (see below), whose sum is σ = 41180608. Its totient is φ = 17648784.

The previous prime is 28679297. The next prime is 28679359. The reversal of 28679313 is 31397682.

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

It is not a de Polignac number, because 28679313 - 2⁴ = 28679297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 735367 = 28679313 / (2 + 8 + 6 + 7 + 9 + 3 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28679383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367645 + ... + 367722.

It is an arithmetic number, because the mean of its divisors is an integer number (5147576).

Almost surely, 2^28679313 is an apocalyptic number.

It is an amenable number.

28679313 is a deficient number, since it is larger than the sum of its proper divisors (12501295).

28679313 is a wasteful number, since it uses less digits than its factorization.

28679313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735383.

The product of its digits is 54432, while the sum is 39.

The square root of 28679313 is about 5355.3069940014. The cubic root of 28679313 is about 306.0950087312.

The spelling of 28679313 in words is "twenty-eight million, six hundred seventy-nine thousand, three hundred thirteen".