198080285 has 8 divisors (see below), whose sum is σ = 255980760. Its totient is φ = 146274624.

The previous prime is 198080261. The next prime is 198080293. The reversal of 198080285 is 582080891.

It can be written as a sum of positive squares in 4 ways, for example, as 29833444 + 168246841 = 5462^2 + 12971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198080285 - 2⁶ = 198080221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523630 + ... + 1523759.

It is an arithmetic number, because the mean of its divisors is an integer number (31997595).

Almost surely, 2^198080285 is an apocalyptic number.

It is an amenable number.

198080285 is a deficient number, since it is larger than the sum of its proper divisors (57900475).

198080285 is a wasteful number, since it uses less digits than its factorization.

198080285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047407.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 198080285 is about 14074.0997935925. The cubic root of 198080285 is about 582.9264353316.

The spelling of 198080285 in words is "one hundred ninety-eight million, eighty thousand, two hundred eighty-five".