28276323 has 8 divisors (see below), whose sum is σ = 37728528. Its totient is φ = 18837504.

The previous prime is 28276319. The next prime is 28276333. The reversal of 28276323 is 32367282.

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

It is not a de Polignac number, because 28276323 - 2² = 28276319 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28276333) 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, 3715 + ... + 8387.

It is an arithmetic number, because the mean of its divisors is an integer number (4716066).

Almost surely, 2^28276323 is an apocalyptic number.

28276323 is a deficient number, since it is larger than the sum of its proper divisors (9452205).

28276323 is a wasteful number, since it uses less digits than its factorization.

28276323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693.

The product of its digits is 24192, while the sum is 33.

The square root of 28276323 is about 5317.5485893408. The cubic root of 28276323 is about 304.6545331485.

The spelling of 28276323 in words is "twenty-eight million, two hundred seventy-six thousand, three hundred twenty-three".