200434191 has 8 divisors (see below), whose sum is σ = 267653760. Its totient is φ = 133418712.

The previous prime is 200434187. The next prime is 200434231. The reversal of 200434191 is 191434002.

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

It is not a de Polignac number, because 200434191 - 2² = 200434187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200434111) 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, 48715 + ... + 52668.

It is an arithmetic number, because the mean of its divisors is an integer number (33456720).

Almost surely, 2^200434191 is an apocalyptic number.

200434191 is a deficient number, since it is larger than the sum of its proper divisors (67219569).

200434191 is a wasteful number, since it uses less digits than its factorization.

200434191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102045.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 200434191 is about 14157.4782712177. The cubic root of 200434191 is about 585.2264358282.

Adding to 200434191 its reverse (191434002), we get a palindrome (391868193).

The spelling of 200434191 in words is "two hundred million, four hundred thirty-four thousand, one hundred ninety-one".