28986283 has 8 divisors (see below), whose sum is σ = 30553200. Its totient is φ = 27457248.

The previous prime is 28986253. The next prime is 28986301. The reversal of 28986283 is 38268982.

It is a happy number.

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 28986283 - 2⁹ = 28985771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28986253) 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, 7893 + ... + 10966.

It is an arithmetic number, because the mean of its divisors is an integer number (3819150).

Almost surely, 2^28986283 is an apocalyptic number.

28986283 is a deficient number, since it is larger than the sum of its proper divisors (1566917).

28986283 is a wasteful number, since it uses less digits than its factorization.

28986283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18941.

The product of its digits is 331776, while the sum is 46.

The square root of 28986283 is about 5383.8910650198. The cubic root of 28986283 is about 307.1832347339.

The spelling of 28986283 in words is "twenty-eight million, nine hundred eighty-six thousand, two hundred eighty-three".