421341847 has 2 divisors, whose sum is σ = 421341848. Its totient is φ = 421341846.

The previous prime is 421341799. The next prime is 421341883. The reversal of 421341847 is 748143124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421341847 - 2¹¹ = 421339799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421341647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210670923 + 210670924.

It is an arithmetic number, because the mean of its divisors is an integer number (210670924).

Almost surely, 2^421341847 is an apocalyptic number.

421341847 is a deficient number, since it is larger than the sum of its proper divisors (1).

421341847 is an equidigital number, since it uses as much as digits as its factorization.

421341847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 34.

The square root of 421341847 is about 20526.6131400190. The cubic root of 421341847 is about 749.6839242951.

The spelling of 421341847 in words is "four hundred twenty-one million, three hundred forty-one thousand, eight hundred forty-seven".