198508152 has 32 divisors (see below), whose sum is σ = 504409680. Its totient is φ = 65084160.

The previous prime is 198508139. The next prime is 198508153. The reversal of 198508152 is 251805891.

It is a self number, because there is not a number n which added to its sum of digits gives 198508152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198508153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66333 + ... + 69260.

Almost surely, 2^198508152 is an apocalyptic number.

198508152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198508152 is an abundant number, since it is smaller than the sum of its proper divisors (305901528).

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

198508152 is a wasteful number, since it uses less digits than its factorization.

198508152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135663 (or 135659 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 198508152 is about 14089.2921042897. The cubic root of 198508152 is about 583.3458538446.

The spelling of 198508152 in words is "one hundred ninety-eight million, five hundred eight thousand, one hundred fifty-two".