198047401 has 2 divisors, whose sum is σ = 198047402. Its totient is φ = 198047400.

The previous prime is 198047383. The next prime is 198047417. The reversal of 198047401 is 104740891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132825625 + 65221776 = 11525^2 + 8076^2 .

It is a cyclic number.

It is not a de Polignac number, because 198047401 - 2²³ = 189658793 is a prime.

It is not a weakly prime, because it can be changed into another prime (198041401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99023700 + 99023701.

It is an arithmetic number, because the mean of its divisors is an integer number (99023701).

Almost surely, 2^198047401 is an apocalyptic number.

It is an amenable number.

198047401 is a deficient number, since it is larger than the sum of its proper divisors (1).

198047401 is an equidigital number, since it uses as much as digits as its factorization.

198047401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 198047401 is about 14072.9314998688. The cubic root of 198047401 is about 582.8941756618.

The spelling of 198047401 in words is "one hundred ninety-eight million, forty-seven thousand, four hundred one".