28358283 has 8 divisors (see below), whose sum is σ = 37836288. Its totient is φ = 18892904.

The previous prime is 28358263. The next prime is 28358293. The reversal of 28358283 is 38285382.

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 28358283 - 2¹⁴ = 28341899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28358263) 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, 5410 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (4729536).

Almost surely, 2^28358283 is an apocalyptic number.

28358283 is a deficient number, since it is larger than the sum of its proper divisors (9478005).

28358283 is a wasteful number, since it uses less digits than its factorization.

28358283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313.

The product of its digits is 92160, while the sum is 39.

The square root of 28358283 is about 5325.2495716163. The cubic root of 28358283 is about 304.9486001353.

The spelling of 28358283 in words is "twenty-eight million, three hundred fifty-eight thousand, two hundred eighty-three".