200430434 has 16 divisors (see below), whose sum is σ = 307376640. Its totient is φ = 97989840.

The previous prime is 200430409. The next prime is 200430463. The reversal of 200430434 is 434034002.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18092 + ... + 26984.

It is an arithmetic number, because the mean of its divisors is an integer number (19211040).

Almost surely, 2^200430434 is an apocalyptic number.

200430434 is a deficient number, since it is larger than the sum of its proper divisors (106946206).

200430434 is a wasteful number, since it uses less digits than its factorization.

200430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 200430434 is about 14157.3455845367. The cubic root of 200430434 is about 585.2227792507. Note that the first 3 decimals are identical.

Adding to 200430434 its reverse (434034002), we get a palindrome (634464436).

The spelling of 200430434 in words is "two hundred million, four hundred thirty thousand, four hundred thirty-four".