421016234 has 8 divisors (see below), whose sum is σ = 635052960. Its totient is φ = 209331916.

The previous prime is 421016227. The next prime is 421016243. The reversal of 421016234 is 432610124.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587654 + ... + 588369.

It is an arithmetic number, because the mean of its divisors is an integer number (79381620).

Almost surely, 2^421016234 is an apocalyptic number.

421016234 is a deficient number, since it is larger than the sum of its proper divisors (214036726).

421016234 is a wasteful number, since it uses less digits than its factorization.

421016234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176204.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 421016234 is about 20518.6801232438. The cubic root of 421016234 is about 749.4907559352.

Adding to 421016234 its reverse (432610124), we get a palindrome (853626358).

The spelling of 421016234 in words is "four hundred twenty-one million, sixteen thousand, two hundred thirty-four".