198479085 has 16 divisors (see below), whose sum is σ = 362933376. Its totient is φ = 90733248.

The previous prime is 198479053. The next prime is 198479093. The reversal of 198479085 is 580974891.

It is not a de Polignac number, because 198479085 - 2⁵ = 198479053 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, 945034 + ... + 945243.

It is an arithmetic number, because the mean of its divisors is an integer number (22683336).

Almost surely, 2^198479085 is an apocalyptic number.

198479085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198479085 is a deficient number, since it is larger than the sum of its proper divisors (164454291).

198479085 is a wasteful number, since it uses less digits than its factorization.

198479085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890292.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 198479085 is about 14088.2605384767. The cubic root of 198479085 is about 583.3173798812.

The spelling of 198479085 in words is "one hundred ninety-eight million, four hundred seventy-nine thousand, eighty-five".