198924371 has 2 divisors, whose sum is σ = 198924372. Its totient is φ = 198924370.

The previous prime is 198924367. The next prime is 198924373. The reversal of 198924371 is 173429891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198924371 - 2² = 198924367 is a prime.

It is a Sophie Germain prime.

Together with 198924373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198924373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99462185 + 99462186.

It is an arithmetic number, because the mean of its divisors is an integer number (99462186).

Almost surely, 2^198924371 is an apocalyptic number.

198924371 is a deficient number, since it is larger than the sum of its proper divisors (1).

198924371 is an equidigital number, since it uses as much as digits as its factorization.

198924371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 198924371 is about 14104.0551260976. The cubic root of 198924371 is about 583.7532764574.

The spelling of 198924371 in words is "one hundred ninety-eight million, nine hundred twenty-four thousand, three hundred seventy-one".