198679229 has 8 divisors (see below), whose sum is σ = 230260608. Its totient is φ = 167897520.

The previous prime is 198679211. The next prime is 198679231. The reversal of 198679229 is 922976891.

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

It is a de Polignac number, because none of the positive numbers 2^k-198679229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198679249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199382 + ... + 200375.

It is an arithmetic number, because the mean of its divisors is an integer number (28782576).

Almost surely, 2^198679229 is an apocalyptic number.

It is an amenable number.

198679229 is a deficient number, since it is larger than the sum of its proper divisors (31581379).

198679229 is an equidigital number, since it uses as much as digits as its factorization.

198679229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399835.

The product of its digits is 979776, while the sum is 53.

The square root of 198679229 is about 14095.3619676828. The cubic root of 198679229 is about 583.5133841661.

The spelling of 198679229 in words is "one hundred ninety-eight million, six hundred seventy-nine thousand, two hundred twenty-nine".