200429 has 4 divisors (see below), whose sum is σ = 205884. Its totient is φ = 194976.

The previous prime is 200407. The next prime is 200437. The reversal of 200429 is 924002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96100 + 104329 = 310^2 + 323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672 + ... + 2745.

It is an arithmetic number, because the mean of its divisors is an integer number (51471).

2²⁰⁰⁴²⁹ is an apocalyptic number.

It is an amenable number.

200429 is a deficient number, since it is larger than the sum of its proper divisors (5455).

200429 is an equidigital number, since it uses as much as digits as its factorization.

200429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 200429 is about 447.6929751515. The cubic root of 200429 is about 58.5221383569.

The spelling of 200429 in words is "two hundred thousand, four hundred twenty-nine".