198481535 has 16 divisors (see below), whose sum is σ = 273000000. Its totient is φ = 135703296.

The previous prime is 198481529. The next prime is 198481553. The reversal of 198481535 is 535184891.

It is a cyclic number.

It is not a de Polignac number, because 198481535 - 2⁴ = 198481519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4091 + ... + 20339.

It is an arithmetic number, because the mean of its divisors is an integer number (17062500).

Almost surely, 2^198481535 is an apocalyptic number.

198481535 is a deficient number, since it is larger than the sum of its proper divisors (74518465).

198481535 is a wasteful number, since it uses less digits than its factorization.

198481535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16610.

The product of its digits is 172800, while the sum is 44.

The square root of 198481535 is about 14088.3474900359. The cubic root of 198481535 is about 583.3197800026.

The spelling of 198481535 in words is "one hundred ninety-eight million, four hundred eighty-one thousand, five hundred thirty-five".