421384585 has 8 divisors (see below), whose sum is σ = 506039616. Its totient is φ = 336855600.

The previous prime is 421384583. The next prime is 421384589. The reversal of 421384585 is 585483124.

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

It is not a de Polignac number, because 421384585 - 2¹ = 421384583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421384583) 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, 23991 + ... + 37660.

It is an arithmetic number, because the mean of its divisors is an integer number (63254952).

Almost surely, 2^421384585 is an apocalyptic number.

It is an amenable number.

421384585 is a deficient number, since it is larger than the sum of its proper divisors (84655031).

421384585 is a wasteful number, since it uses less digits than its factorization.

421384585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63023.

The product of its digits is 153600, while the sum is 40.

The square root of 421384585 is about 20527.6541523867. The cubic root of 421384585 is about 749.7092710205.

The spelling of 421384585 in words is "four hundred twenty-one million, three hundred eighty-four thousand, five hundred eighty-five".