198629328 has 20 divisors (see below), whose sum is σ = 513125888. Its totient is φ = 66209760.

The previous prime is 198629317. The next prime is 198629329. The reversal of 198629328 is 823926891.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 4138111 = 198629328 / (1 + 9 + 8 + 6 + 2 + 9 + 3 + 2 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198629329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069008 + ... + 2069103.

Almost surely, 2^198629328 is an apocalyptic number.

It is an amenable number.

198629328 is an abundant number, since it is smaller than the sum of its proper divisors (314496560).

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

198629328 is a wasteful number, since it uses less digits than its factorization.

198629328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138122 (or 4138116 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 198629328 is about 14093.5917352533. The cubic root of 198629328 is about 583.4645276254.

The spelling of 198629328 in words is "one hundred ninety-eight million, six hundred twenty-nine thousand, three hundred twenty-eight".