421341870 has 32 divisors (see below), whose sum is σ = 1046092320. Its totient is φ = 108483200.

The previous prime is 421341847. The next prime is 421341883. The reversal of 421341870 is 78143124.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241281 + ... + 243020.

It is an arithmetic number, because the mean of its divisors is an integer number (32690385).

Almost surely, 2^421341870 is an apocalyptic number.

421341870 is an abundant number, since it is smaller than the sum of its proper divisors (624750450).

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

421341870 is a wasteful number, since it uses less digits than its factorization.

421341870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484340.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 421341870 is about 20526.6137002673. The cubic root of 421341870 is about 749.6839379362.

Adding to 421341870 its reverse (78143124), we get a palindrome (499484994).

The spelling of 421341870 in words is "four hundred twenty-one million, three hundred forty-one thousand, eight hundred seventy".