28058163 has 8 divisors (see below), whose sum is σ = 42755328. Its totient is φ = 16033224.

The previous prime is 28058159. The next prime is 28058189. The reversal of 28058163 is 36185082.

It is a happy number.

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

It is not a de Polignac number, because 28058163 - 2² = 28058159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28058113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668031 + ... + 668072.

It is an arithmetic number, because the mean of its divisors is an integer number (5344416).

Almost surely, 2^28058163 is an apocalyptic number.

28058163 is a deficient number, since it is larger than the sum of its proper divisors (14697165).

28058163 is a wasteful number, since it uses less digits than its factorization.

28058163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336113.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 28058163 is about 5296.9956579178. The cubic root of 28058163 is about 303.8690102503.

The spelling of 28058163 in words is "twenty-eight million, fifty-eight thousand, one hundred sixty-three".