198323029 has 4 divisors (see below), whose sum is σ = 198357984. Its totient is φ = 198288076.

The previous prime is 198323011. The next prime is 198323057. The reversal of 198323029 is 920323891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 920323891 = 3067 ⋅300073.

It is a cyclic number.

It is not a de Polignac number, because 198323029 - 2⁹ = 198322517 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 (198320029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6787 + ... + 21040.

It is an arithmetic number, because the mean of its divisors is an integer number (49589496).

Almost surely, 2^198323029 is an apocalyptic number.

It is an amenable number.

198323029 is a deficient number, since it is larger than the sum of its proper divisors (34955).

198323029 is an equidigital number, since it uses as much as digits as its factorization.

198323029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34954.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 198323029 is about 14082.7209373757. The cubic root of 198323029 is about 583.1644602503.

The spelling of 198323029 in words is "one hundred ninety-eight million, three hundred twenty-three thousand, twenty-nine".