105198238 has 8 divisors (see below), whose sum is σ = 158305680. Its totient is φ = 52429680.

The previous prime is 105198209. The next prime is 105198259. The reversal of 105198238 is 832891501.

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

It is a super-2 number, since 2×105198238² = 22133338556609288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105198197 and 105198206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83943 + ... + 85186.

It is an arithmetic number, because the mean of its divisors is an integer number (19788210).

Almost surely, 2^105198238 is an apocalyptic number.

105198238 is a deficient number, since it is larger than the sum of its proper divisors (53107442).

105198238 is a wasteful number, since it uses less digits than its factorization.

105198238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169442.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 105198238 is about 10256.6192285762. The cubic root of 105198238 is about 472.0661085944.

The spelling of 105198238 in words is "one hundred five million, one hundred ninety-eight thousand, two hundred thirty-eight".