200424309 has 8 divisors (see below), whose sum is σ = 272918400. Its totient is φ = 130773216.

The previous prime is 200424241. The next prime is 200424353. The reversal of 200424309 is 903424002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-200424309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200424379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710584 + ... + 710865.

It is an arithmetic number, because the mean of its divisors is an integer number (34114800).

Almost surely, 2^200424309 is an apocalyptic number.

It is an amenable number.

200424309 is a deficient number, since it is larger than the sum of its proper divisors (72494091).

200424309 is a wasteful number, since it uses less digits than its factorization.

200424309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421499.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 200424309 is about 14157.1292640846. The cubic root of 200424309 is about 585.2168178706.

The spelling of 200424309 in words is "two hundred million, four hundred twenty-four thousand, three hundred nine".