210434242 has 8 divisors (see below), whose sum is σ = 316972800. Its totient is φ = 104776644.

The previous prime is 210434239. The next prime is 210434249. The reversal of 210434242 is 242434012.

It is a happy number.

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

It is a super-2 number, since 2×210434242² = 88565140412229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210434249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219642 + ... + 220597.

It is an arithmetic number, because the mean of its divisors is an integer number (39621600).

Almost surely, 2^210434242 is an apocalyptic number.

210434242 is a deficient number, since it is larger than the sum of its proper divisors (106538558).

210434242 is a wasteful number, since it uses less digits than its factorization.

210434242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440480.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 210434242 is about 14506.3517812026. The cubic root of 210434242 is about 594.8016117072.

Adding to 210434242 its reverse (242434012), we get a palindrome (452868254).

The spelling of 210434242 in words is "two hundred ten million, four hundred thirty-four thousand, two hundred forty-two".