210404234 has 8 divisors (see below), whose sum is σ = 316615620. Its totient is φ = 104865696.

The previous prime is 210404231. The next prime is 210404239. The reversal of 210404234 is 432404012.

It can be written as a sum of positive squares in 2 ways, for example, as 210105025 + 299209 = 14495^2 + 547^2 .

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

It is not an unprimeable number, because it can be changed into a prime (210404231) 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, 167429 + ... + 168680.

Almost surely, 2^210404234 is an apocalyptic number.

210404234 is a deficient number, since it is larger than the sum of its proper divisors (106211386).

210404234 is a wasteful number, since it uses less digits than its factorization.

210404234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336424.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 210404234 is about 14505.3174387877. The cubic root of 210404234 is about 594.7733373873.

Adding to 210404234 its reverse (432404012), we get a palindrome (642808246).

The spelling of 210404234 in words is "two hundred ten million, four hundred four thousand, two hundred thirty-four".