198824411 has 2 divisors, whose sum is σ = 198824412. Its totient is φ = 198824410.

The previous prime is 198824399. The next prime is 198824447. The reversal of 198824411 is 114428891.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198824411 is a prime.

It is a super-2 number, since 2×198824411² = 79062292818993842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198824471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99412205 + 99412206.

It is an arithmetic number, because the mean of its divisors is an integer number (99412206).

Almost surely, 2^198824411 is an apocalyptic number.

198824411 is a deficient number, since it is larger than the sum of its proper divisors (1).

198824411 is an equidigital number, since it uses as much as digits as its factorization.

198824411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 38.

The square root of 198824411 is about 14100.5110191085. The cubic root of 198824411 is about 583.6554809084.

The spelling of 198824411 in words is "one hundred ninety-eight million, eight hundred twenty-four thousand, four hundred eleven".