28882858 has 8 divisors (see below), whose sum is σ = 43398180. Its totient is φ = 14416800.

The previous prime is 28882853. The next prime is 28882859. The reversal of 28882858 is 85828882.

It can be written as a sum of positive squares in 2 ways, for example, as 20548089 + 8334769 = 4533^2 + 2887^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28882853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10813 + ... + 13216.

Almost surely, 2^28882858 is an apocalyptic number.

28882858 is a deficient number, since it is larger than the sum of its proper divisors (14515322).

28882858 is a wasteful number, since it uses less digits than its factorization.

28882858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24632.

The product of its digits is 655360, while the sum is 49.

The square root of 28882858 is about 5374.2774398053. The cubic root of 28882858 is about 306.8174492177.

The spelling of 28882858 in words is "twenty-eight million, eight hundred eighty-two thousand, eight hundred fifty-eight".