198475286 has 4 divisors (see below), whose sum is σ = 297712932. Its totient is φ = 99237642.

The previous prime is 198475283. The next prime is 198475337. The reversal of 198475286 is 682574891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 682574891 = 1471 ⋅464021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198475283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49618820 + ... + 49618823.

It is an arithmetic number, because the mean of its divisors is an integer number (74428233).

Almost surely, 2^198475286 is an apocalyptic number.

198475286 is a deficient number, since it is larger than the sum of its proper divisors (99237646).

198475286 is an equidigital number, since it uses as much as digits as its factorization.

198475286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99237645.

The product of its digits is 967680, while the sum is 50.

The square root of 198475286 is about 14088.1257092631. The cubic root of 198475286 is about 583.3136581845.

The spelling of 198475286 in words is "one hundred ninety-eight million, four hundred seventy-five thousand, two hundred eighty-six".