28098158 has 16 divisors (see below), whose sum is σ = 47565360. Its totient is φ = 12331200.

The previous prime is 28098149. The next prime is 28098163. The reversal of 28098158 is 85189082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21383 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (2972835).

Almost surely, 2^28098158 is an apocalyptic number.

28098158 is a deficient number, since it is larger than the sum of its proper divisors (19467202).

28098158 is a wasteful number, since it uses less digits than its factorization.

28098158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44083.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 28098158 is about 5300.7695667705. The cubic root of 28098158 is about 304.0133232273.

The spelling of 28098158 in words is "twenty-eight million, ninety-eight thousand, one hundred fifty-eight".