421944341 has 48 divisors (see below), whose sum is σ = 547747200. Its totient is φ = 322019712.

The previous prime is 421944323. The next prime is 421944377. The reversal of 421944341 is 143449124.

It is not a de Polignac number, because 421944341 - 2¹⁸ = 421682197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421944298 and 421944307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421544341) 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 47 ways as a sum of consecutive naturals, for example, 3870995 + ... + 3871103.

It is an arithmetic number, because the mean of its divisors is an integer number (11411400).

Almost surely, 2^421944341 is an apocalyptic number.

It is an amenable number.

421944341 is a deficient number, since it is larger than the sum of its proper divisors (125802859).

421944341 is a wasteful number, since it uses less digits than its factorization.

421944341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 421944341 is about 20541.2838206379. The cubic root of 421944341 is about 750.0410887119.

The spelling of 421944341 in words is "four hundred twenty-one million, nine hundred forty-four thousand, three hundred forty-one".