198150732 has 96 divisors (see below), whose sum is σ = 558835200. Its totient is φ = 60353856.

The previous prime is 198150721. The next prime is 198150737. The reversal of 198150732 is 237051891.

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

It is not an unprimeable number, because it can be changed into a prime (198150737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149569 + ... + 150887.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^198150732 is an apocalyptic number.

198150732 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 198150732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279417600).

198150732 is an abundant number, since it is smaller than the sum of its proper divisors (360684468).

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

198150732 is a wasteful number, since it uses less digits than its factorization.

198150732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452 (or 1444 counting only the distinct ones).

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

The square root of 198150732 is about 14076.6022889048. The cubic root of 198150732 is about 582.9955328211.

The spelling of 198150732 in words is "one hundred ninety-eight million, one hundred fifty thousand, seven hundred thirty-two".