421602234 has 8 divisors (see below), whose sum is σ = 843204480. Its totient is φ = 140534076.

The previous prime is 421602127. The next prime is 421602241. The reversal of 421602234 is 432206124.

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

421602234 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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, 35133514 + ... + 35133525.

It is an arithmetic number, because the mean of its divisors is an integer number (105400560).

Almost surely, 2^421602234 is an apocalyptic number.

421602234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421602234 is a wasteful number, since it uses less digits than its factorization.

421602234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70267044.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 421602234 is about 20532.9548287625. The cubic root of 421602234 is about 749.8383260401.

Adding to 421602234 its reverse (432206124), we get a palindrome (853808358).

The spelling of 421602234 in words is "four hundred twenty-one million, six hundred two thousand, two hundred thirty-four".