198079435 has 4 divisors (see below), whose sum is σ = 237695328. Its totient is φ = 158463544.

The previous prime is 198079397. The next prime is 198079439. The reversal of 198079435 is 534970891.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198079435 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198079439) 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, 19807939 + ... + 19807948.

It is an arithmetic number, because the mean of its divisors is an integer number (59423832).

Almost surely, 2^198079435 is an apocalyptic number.

198079435 is a deficient number, since it is larger than the sum of its proper divisors (39615893).

198079435 is an equidigital number, since it uses as much as digits as its factorization.

198079435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39615892.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 198079435 is about 14074.0695962469. The cubic root of 198079435 is about 582.9256015145.

The spelling of 198079435 in words is "one hundred ninety-eight million, seventy-nine thousand, four hundred thirty-five".