200399939 has 2 divisors, whose sum is σ = 200399940. Its totient is φ = 200399938.

The previous prime is 200399933. The next prime is 200399957. The reversal of 200399939 is 939993002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200399939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200399939.

It is not a weakly prime, because it can be changed into another prime (200399933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100199969 + 100199970.

It is an arithmetic number, because the mean of its divisors is an integer number (100199970).

Almost surely, 2^200399939 is an apocalyptic number.

200399939 is a deficient number, since it is larger than the sum of its proper divisors (1).

200399939 is an equidigital number, since it uses as much as digits as its factorization.

200399939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 44.

The square root of 200399939 is about 14156.2685408267. The cubic root of 200399939 is about 585.1930976742.

The spelling of 200399939 in words is "two hundred million, three hundred ninety-nine thousand, nine hundred thirty-nine".