198498588 has 12 divisors (see below), whose sum is σ = 463163400. Its totient is φ = 66166192.

The previous prime is 198498583. The next prime is 198498593. The reversal of 198498588 is 885894891.

It is an interprime number because it is at equal distance from previous prime (198498583) and next prime (198498593).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198498583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8270763 + ... + 8270786.

It is an arithmetic number, because the mean of its divisors is an integer number (38596950).

Almost surely, 2^198498588 is an apocalyptic number.

It is an amenable number.

198498588 is an abundant number, since it is smaller than the sum of its proper divisors (264664812).

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

198498588 is a wasteful number, since it uses less digits than its factorization.

198498588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16541556 (or 16541554 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 60.

The square root of 198498588 is about 14088.9526935113. The cubic root of 198498588 is about 583.3364852800.

The spelling of 198498588 in words is "one hundred ninety-eight million, four hundred ninety-eight thousand, five hundred eighty-eight".