28858898 has 8 divisors (see below), whose sum is σ = 43390080. Its totient is φ = 14395540.

The previous prime is 28858889. The next prime is 28858901. The reversal of 28858898 is 89885882.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15878 + ... + 17601.

It is an arithmetic number, because the mean of its divisors is an integer number (5423760).

Almost surely, 2^28858898 is an apocalyptic number.

28858898 is a deficient number, since it is larger than the sum of its proper divisors (14531182).

28858898 is a wasteful number, since it uses less digits than its factorization.

28858898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33912.

The product of its digits is 2949120, while the sum is 56.

The square root of 28858898 is about 5372.0478404422. The cubic root of 28858898 is about 306.7325848112.

The spelling of 28858898 in words is "twenty-eight million, eight hundred fifty-eight thousand, eight hundred ninety-eight".