198907330 has 8 divisors (see below), whose sum is σ = 358033212. Its totient is φ = 79562928.

The previous prime is 198907321. The next prime is 198907343. The reversal of 198907330 is 33709891.

It can be written as a sum of positive squares in 2 ways, for example, as 198443569 + 463761 = 14087^2 + 681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9945357 + ... + 9945376.

Almost surely, 2^198907330 is an apocalyptic number.

198907330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198907330 is a deficient number, since it is larger than the sum of its proper divisors (159125882).

198907330 is a wasteful number, since it uses less digits than its factorization.

198907330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890740.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 198907330 is about 14103.4509961215. The cubic root of 198907330 is about 583.7366067660.

The spelling of 198907330 in words is "one hundred ninety-eight million, nine hundred seven thousand, three hundred thirty".