198112039 has 8 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 193061856.

The previous prime is 198112007. The next prime is 198112043. The reversal of 198112039 is 930211891.

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 198112039 - 2⁵ = 198112007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198111995 and 198112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198112049) 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, 4647 + ... + 20440.

It is an arithmetic number, because the mean of its divisors is an integer number (25401600).

Almost surely, 2^198112039 is an apocalyptic number.

198112039 is a deficient number, since it is larger than the sum of its proper divisors (5100761).

198112039 is a wasteful number, since it uses less digits than its factorization.

198112039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25289.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 198112039 is about 14075.2278489551. The cubic root of 198112039 is about 582.9575830671.

The spelling of 198112039 in words is "one hundred ninety-eight million, one hundred twelve thousand, thirty-nine".