198403275 has 24 divisors (see below), whose sum is σ = 374888704. Its totient is φ = 90698400.

The previous prime is 198403259. The next prime is 198403291. The reversal of 198403275 is 572304891.

It is an interprime number because it is at equal distance from previous prime (198403259) and next prime (198403291).

It is not a de Polignac number, because 198403275 - 2⁴ = 198403259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188431 + ... + 189480.

Almost surely, 2^198403275 is an apocalyptic number.

198403275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198403275 is a deficient number, since it is larger than the sum of its proper divisors (176485429).

198403275 is a wasteful number, since it uses less digits than its factorization.

198403275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377931 (or 377926 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 198403275 is about 14085.5697435354. The cubic root of 198403275 is about 583.2431035043.

The spelling of 198403275 in words is "one hundred ninety-eight million, four hundred three thousand, two hundred seventy-five".