198880967 has 4 divisors (see below), whose sum is σ = 198916920. Its totient is φ = 198845016.

The previous prime is 198880951. The next prime is 198880987. The reversal of 198880967 is 769088891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769088891 = 17 ⋅45240523.

It is a cyclic number.

It is not a de Polignac number, because 198880967 - 2⁴ = 198880951 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 (198880907) 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, 7733 + ... + 21390.

It is an arithmetic number, because the mean of its divisors is an integer number (49729230).

Almost surely, 2^198880967 is an apocalyptic number.

198880967 is a deficient number, since it is larger than the sum of its proper divisors (35953).

198880967 is an equidigital number, since it uses as much as digits as its factorization.

198880967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35952.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 198880967 is about 14102.5163357466. The cubic root of 198880967 is about 583.7108163169.

The spelling of 198880967 in words is "one hundred ninety-eight million, eight hundred eighty thousand, nine hundred sixty-seven".