200400329 has 2 divisors, whose sum is σ = 200400330. Its totient is φ = 200400328.

The previous prime is 200400323. The next prime is 200400373. The reversal of 200400329 is 923004002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178169104 + 22231225 = 13348^2 + 4715^2 .

It is a cyclic number.

It is not a de Polignac number, because 200400329 - 2⁴ = 200400313 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200400329.

It is not a weakly prime, because it can be changed into another prime (200400323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100200164 + 100200165.

It is an arithmetic number, because the mean of its divisors is an integer number (100200165).

Almost surely, 2^200400329 is an apocalyptic number.

It is an amenable number.

200400329 is a deficient number, since it is larger than the sum of its proper divisors (1).

200400329 is an equidigital number, since it uses as much as digits as its factorization.

200400329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 200400329 is about 14156.2823156364. The cubic root of 200400329 is about 585.1934772903.

The spelling of 200400329 in words is "two hundred million, four hundred thousand, three hundred twenty-nine".