198444929 has 8 divisors (see below), whose sum is σ = 201532608. Its totient is φ = 195365520.

The previous prime is 198444923. The next prime is 198444937. The reversal of 198444929 is 929444891.

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

It is a cyclic number.

It is not a de Polignac number, because 198444929 - 2⁴ = 198444913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198444923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60674 + ... + 63860.

It is an arithmetic number, because the mean of its divisors is an integer number (25191576).

Almost surely, 2^198444929 is an apocalyptic number.

It is an amenable number.

198444929 is a deficient number, since it is larger than the sum of its proper divisors (3087679).

198444929 is an equidigital number, since it uses as much as digits as its factorization.

198444929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135.

The product of its digits is 746496, while the sum is 50.

The square root of 198444929 is about 14087.0482713732. The cubic root of 198444929 is about 583.2839171926.

The spelling of 198444929 in words is "one hundred ninety-eight million, four hundred forty-four thousand, nine hundred twenty-nine".