198986260 has 24 divisors (see below), whose sum is σ = 455859936. Its totient is φ = 72358560.

The previous prime is 198986257. The next prime is 198986273. The reversal of 198986260 is 62689891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452022 + ... + 452461.

It is an arithmetic number, because the mean of its divisors is an integer number (18994164).

Almost surely, 2^198986260 is an apocalyptic number.

198986260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198986260 is an abundant number, since it is smaller than the sum of its proper divisors (256873676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198986260 is a wasteful number, since it uses less digits than its factorization.

198986260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904503 (or 904501 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 198986260 is about 14106.2489698715. The cubic root of 198986260 is about 583.8138089441.

The spelling of 198986260 in words is "one hundred ninety-eight million, nine hundred eighty-six thousand, two hundred sixty".