28703198 has 8 divisors (see below), whose sum is σ = 44105040. Its totient is φ = 14001520.

The previous prime is 28703189. The next prime is 28703201. The reversal of 28703198 is 89130782.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174938 + ... + 175101.

It is an arithmetic number, because the mean of its divisors is an integer number (5513130).

Almost surely, 2^28703198 is an apocalyptic number.

28703198 is a deficient number, since it is larger than the sum of its proper divisors (15401842).

28703198 is a wasteful number, since it uses less digits than its factorization.

28703198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350082.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 28703198 is about 5357.5365607712. The cubic root of 28703198 is about 306.1799602152.

The spelling of 28703198 in words is "twenty-eight million, seven hundred three thousand, one hundred ninety-eight".