28966323 has 8 divisors (see below), whose sum is σ = 38760336. Its totient is φ = 19241600.

The previous prime is 28966319. The next prime is 28966363. The reversal of 28966323 is 32366982.

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 28966323 - 2² = 28966319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28966303) 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, 16338 + ... + 18023.

It is an arithmetic number, because the mean of its divisors is an integer number (4845042).

Almost surely, 2^28966323 is an apocalyptic number.

28966323 is a deficient number, since it is larger than the sum of its proper divisors (9794013).

28966323 is a wasteful number, since it uses less digits than its factorization.

28966323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34645.

The product of its digits is 93312, while the sum is 39.

The square root of 28966323 is about 5382.0370678768. The cubic root of 28966323 is about 307.1127095909.

The spelling of 28966323 in words is "twenty-eight million, nine hundred sixty-six thousand, three hundred twenty-three".