28966343 has 8 divisors (see below), whose sum is σ = 33316512. Its totient is φ = 24669216.

The previous prime is 28966319. The next prime is 28966363. The reversal of 28966343 is 34366982.

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 28966343 - 2¹² = 28962247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28966343.

It is a congruent number.

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, 12080 + ... + 14277.

It is an arithmetic number, because the mean of its divisors is an integer number (4164564).

Almost surely, 2^28966343 is an apocalyptic number.

28966343 is a deficient number, since it is larger than the sum of its proper divisors (4350169).

28966343 is a wasteful number, since it uses less digits than its factorization.

28966343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26521.

The product of its digits is 186624, while the sum is 41.

The square root of 28966343 is about 5382.0389259090. The cubic root of 28966343 is about 307.1127802736.

The spelling of 28966343 in words is "twenty-eight million, nine hundred sixty-six thousand, three hundred forty-three".