421093927 has 8 divisors (see below), whose sum is σ = 446054256. Its totient is φ = 396154752.

The previous prime is 421093921. The next prime is 421093931. The reversal of 421093927 is 729390124.

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 421093927 - 2²⁷ = 286876199 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 (421093921) 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 7 ways as a sum of consecutive naturals, for example, 56268 + ... + 63310.

It is an arithmetic number, because the mean of its divisors is an integer number (55756782).

Almost surely, 2^421093927 is an apocalyptic number.

421093927 is a deficient number, since it is larger than the sum of its proper divisors (24960329).

421093927 is a wasteful number, since it uses less digits than its factorization.

421093927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 421093927 is about 20520.5732619730. The cubic root of 421093927 is about 749.5368559816.

The spelling of 421093927 in words is "four hundred twenty-one million, ninety-three thousand, nine hundred twenty-seven".