421338219 has 8 divisors (see below), whose sum is σ = 586209792. Its totient is φ = 268679400.

The previous prime is 421338179. The next prime is 421338223. The reversal of 421338219 is 912833124.

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

It is not a de Polignac number, because 421338219 - 2¹¹ = 421336171 is a prime.

It is a super-3 number, since 3×421338219³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 421338219.

It is not an unprimeable number, because it can be changed into a prime (421338259) 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, 3053107 + ... + 3053244.

It is an arithmetic number, because the mean of its divisors is an integer number (73276224).

Almost surely, 2^421338219 is an apocalyptic number.

421338219 is a deficient number, since it is larger than the sum of its proper divisors (164871573).

421338219 is a wasteful number, since it uses less digits than its factorization.

421338219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106377.

The product of its digits is 10368, while the sum is 33.

The square root of 421338219 is about 20526.5247667500. The cubic root of 421338219 is about 749.6817725497.

The spelling of 421338219 in words is "four hundred twenty-one million, three hundred thirty-eight thousand, two hundred nineteen".