198475106 has 4 divisors (see below), whose sum is σ = 297712662. Its totient is φ = 99237552.

The previous prime is 198475093. The next prime is 198475111. The reversal of 198475106 is 601574891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115756081 + 82719025 = 10759^2 + 9095^2 .

It is a super-2 number, since 2×198475106² = 78784735403422472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49618775 + ... + 49618778.

Almost surely, 2^198475106 is an apocalyptic number.

198475106 is a deficient number, since it is larger than the sum of its proper divisors (99237556).

198475106 is an equidigital number, since it uses as much as digits as its factorization.

198475106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99237555.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 198475106 is about 14088.1193209030. The cubic root of 198475106 is about 583.3134818460.

The spelling of 198475106 in words is "one hundred ninety-eight million, four hundred seventy-five thousand, one hundred six".