198508967 has 4 divisors (see below), whose sum is σ = 198830280. Its totient is φ = 198187656.

The previous prime is 198508957. The next prime is 198508969. The reversal of 198508967 is 769805891.

198508967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 198508967 - 2⁴ = 198508951 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 (198508969) 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, 159728 + ... + 160965.

It is an arithmetic number, because the mean of its divisors is an integer number (49707570).

Almost surely, 2^198508967 is an apocalyptic number.

198508967 is a deficient number, since it is larger than the sum of its proper divisors (321313).

198508967 is an equidigital number, since it uses as much as digits as its factorization.

198508967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321312.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 198508967 is about 14089.3210269338. The cubic root of 198508967 is about 583.3466521766.

The spelling of 198508967 in words is "one hundred ninety-eight million, five hundred eight thousand, nine hundred sixty-seven".