398262203 has 2 divisors, whose sum is σ = 398262204. Its totient is φ = 398262202.

The previous prime is 398262157. The next prime is 398262209. The reversal of 398262203 is 302262893.

It is a strong prime.

It is an emirp because it is prime and its reverse (302262893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 398262203 - 2⁸ = 398261947 is a prime.

It is a super-2 number, since 2×398262203² = 317225564676826418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (398262209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199131101 + 199131102.

It is an arithmetic number, because the mean of its divisors is an integer number (199131102).

Almost surely, 2^398262203 is an apocalyptic number.

398262203 is a deficient number, since it is larger than the sum of its proper divisors (1).

398262203 is an equidigital number, since it uses as much as digits as its factorization.

398262203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 398262203 is about 19956.5077856823. The cubic root of 398262203 is about 735.7377342916.

The spelling of 398262203 in words is "three hundred ninety-eight million, two hundred sixty-two thousand, two hundred three".