421341845 has 8 divisors (see below), whose sum is σ = 506030976. Its totient is φ = 336792976.

The previous prime is 421341799. The next prime is 421341847. The reversal of 421341845 is 548143124.

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

It is a cyclic number.

It is not a de Polignac number, because 421341845 - 2²⁸ = 152906389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421341847) 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, 28337 + ... + 40566.

It is an arithmetic number, because the mean of its divisors is an integer number (63253872).

Almost surely, 2^421341845 is an apocalyptic number.

It is an amenable number.

421341845 is a deficient number, since it is larger than the sum of its proper divisors (84689131).

421341845 is a wasteful number, since it uses less digits than its factorization.

421341845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70131.

The product of its digits is 15360, while the sum is 32.

The square root of 421341845 is about 20526.6130913017. The cubic root of 421341845 is about 749.6839231089.

Adding to 421341845 its reverse (548143124), we get a palindrome (969484969).

The spelling of 421341845 in words is "four hundred twenty-one million, three hundred forty-one thousand, eight hundred forty-five".