200404439 has 2 divisors, whose sum is σ = 200404440. Its totient is φ = 200404438.

The previous prime is 200404417. The next prime is 200404487. The reversal of 200404439 is 934404002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200404439 - 2¹⁶ = 200338903 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 (200404489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100202219 + 100202220.

It is an arithmetic number, because the mean of its divisors is an integer number (100202220).

Almost surely, 2^200404439 is an apocalyptic number.

200404439 is a deficient number, since it is larger than the sum of its proper divisors (1).

200404439 is an equidigital number, since it uses as much as digits as its factorization.

200404439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 200404439 is about 14156.4274801236. The cubic root of 200404439 is about 585.1974778306.

The spelling of 200404439 in words is "two hundred million, four hundred four thousand, four hundred thirty-nine".