28976163 has 8 divisors (see below), whose sum is σ = 38659776. Its totient is φ = 19305000.

The previous prime is 28976161. The next prime is 28976183. The reversal of 28976163 is 36167982.

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 28976163 - 2¹ = 28976161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28976161) 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, 7288 + ... + 10538.

It is an arithmetic number, because the mean of its divisors is an integer number (4832472).

Almost surely, 2^28976163 is an apocalyptic number.

28976163 is a deficient number, since it is larger than the sum of its proper divisors (9683613).

28976163 is a wasteful number, since it uses less digits than its factorization.

28976163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225.

The product of its digits is 108864, while the sum is 42.

The square root of 28976163 is about 5382.9511422639. The cubic root of 28976163 is about 307.1474815446.

The spelling of 28976163 in words is "twenty-eight million, nine hundred seventy-six thousand, one hundred sixty-three".