198029 has 4 divisors (see below), whose sum is σ = 213276. Its totient is φ = 182784.

The previous prime is 198017. The next prime is 198031. The reversal of 198029 is 920891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29929 + 168100 = 173^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 198029 - 2⁴ = 198013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197992 and 198010.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198029.

It is not an unprimeable number, because it can be changed into a prime (198529) 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, 7604 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (53319).

2¹⁹⁸⁰²⁹ is an apocalyptic number.

It is an amenable number.

198029 is a deficient number, since it is larger than the sum of its proper divisors (15247).

198029 is a wasteful number, since it uses less digits than its factorization.

198029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15246.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 198029 is about 445.0044943593. The cubic root of 198029 is about 58.2876122462.

The spelling of 198029 in words is "one hundred ninety-eight thousand, twenty-nine".