200000399 has 2 divisors, whose sum is σ = 200000400. Its totient is φ = 200000398.

The previous prime is 200000377. The next prime is 200000417. The reversal of 200000399 is 993000002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200000399 - 2¹⁶ = 199934863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200000329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000199 + 100000200.

It is an arithmetic number, because the mean of its divisors is an integer number (100000200).

Almost surely, 2^200000399 is an apocalyptic number.

200000399 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000399 is an equidigital number, since it uses as much as digits as its factorization.

200000399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 200000399 is about 14142.1497305042. The cubic root of 200000399 is about 584.8039365367.

The spelling of 200000399 in words is "two hundred million, three hundred ninety-nine", and thus it is an aban number.