200434530 has 32 divisors (see below), whose sum is σ = 496562688. Its totient is φ = 51724800.

The previous prime is 200434523. The next prime is 200434579. The reversal of 200434530 is 35434002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200434497 and 200434506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106831 + ... + 108690.

It is an arithmetic number, because the mean of its divisors is an integer number (15517584).

Almost surely, 2^200434530 is an apocalyptic number.

200434530 is an abundant number, since it is smaller than the sum of its proper divisors (296128158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200434530 is a wasteful number, since it uses less digits than its factorization.

200434530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215562.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 200434530 is about 14157.4902436837. The cubic root of 200434530 is about 585.2267657647.

Adding to 200434530 its reverse (35434002), we get a palindrome (235868532).

The spelling of 200434530 in words is "two hundred million, four hundred thirty-four thousand, five hundred thirty".