198107532 has 120 divisors (see below), whose sum is σ = 597887136. Its totient is φ = 56028672.

The previous prime is 198107527. The next prime is 198107549. The reversal of 198107532 is 235701891.

198107532 is a `hidden beast` number, since 19 + 8 + 107 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 255898 + ... + 256670.

Almost surely, 2^198107532 is an apocalyptic number.

198107532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198107532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298943568).

198107532 is an abundant number, since it is smaller than the sum of its proper divisors (399779604).

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

198107532 is a wasteful number, since it uses less digits than its factorization.

198107532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 198107532 is about 14075.0677440643. The cubic root of 198107532 is about 582.9531623199.

The spelling of 198107532 in words is "one hundred ninety-eight million, one hundred seven thousand, five hundred thirty-two".