198513486 has 24 divisors (see below), whose sum is σ = 430371864. Its totient is φ = 66131280.

The previous prime is 198513479. The next prime is 198513487. The reversal of 198513486 is 684315891.

198513486 is a `hidden beast` number, since 1 + 98 + 513 + 48 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198513487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55525 + ... + 58991.

It is an arithmetic number, because the mean of its divisors is an integer number (17932161).

Almost surely, 2^198513486 is an apocalyptic number.

198513486 is an abundant number, since it is smaller than the sum of its proper divisors (231858378).

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

198513486 is a wasteful number, since it uses less digits than its factorization.

198513486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656 (or 6653 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 198513486 is about 14089.4813957079. The cubic root of 198513486 is about 583.3510787164.

The spelling of 198513486 in words is "one hundred ninety-eight million, five hundred thirteen thousand, four hundred eighty-six".