398792201 has 2 divisors, whose sum is σ = 398792202. Its totient is φ = 398792200.

The previous prime is 398792183. The next prime is 398792203. The reversal of 398792201 is 102297893.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275560000 + 123232201 = 16600^2 + 11101^2 .

It is a cyclic number.

It is not a de Polignac number, because 398792201 - 2¹⁸ = 398530057 is a prime.

Together with 398792203, 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 (398792203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199396100 + 199396101.

It is an arithmetic number, because the mean of its divisors is an integer number (199396101).

Almost surely, 2^398792201 is an apocalyptic number.

It is an amenable number.

398792201 is a deficient number, since it is larger than the sum of its proper divisors (1).

398792201 is an equidigital number, since it uses as much as digits as its factorization.

398792201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 398792201 is about 19969.7821971097. The cubic root of 398792201 is about 736.0639571321.

The spelling of 398792201 in words is "three hundred ninety-eight million, seven hundred ninety-two thousand, two hundred one".