28658323 has 8 divisors (see below), whose sum is σ = 29106000. Its totient is φ = 28213248.

The previous prime is 28658317. The next prime is 28658381. The reversal of 28658323 is 32385682.

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 28658323 - 2¹³ = 28650131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28658423) 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, 36883 + ... + 37651.

It is an arithmetic number, because the mean of its divisors is an integer number (3638250).

Almost surely, 2^28658323 is an apocalyptic number.

28658323 is a deficient number, since it is larger than the sum of its proper divisors (447677).

28658323 is an equidigital number, since it uses as much as digits as its factorization.

28658323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its digits is 69120, while the sum is 37.

The square root of 28658323 is about 5353.3468970355. The cubic root of 28658323 is about 306.0203149114.

The spelling of 28658323 in words is "twenty-eight million, six hundred fifty-eight thousand, three hundred twenty-three".