421894162 has 8 divisors (see below), whose sum is σ = 633827376. Its totient is φ = 210618372.

The previous prime is 421894147. The next prime is 421894169. The reversal of 421894162 is 261498124.

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

It is not an unprimeable number, because it can be changed into a prime (421894169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162748 + ... + 165319.

It is an arithmetic number, because the mean of its divisors is an integer number (79228422).

Almost surely, 2^421894162 is an apocalyptic number.

421894162 is a deficient number, since it is larger than the sum of its proper divisors (211933214).

421894162 is a wasteful number, since it uses less digits than its factorization.

421894162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328712.

The product of its digits is 27648, while the sum is 37.

The square root of 421894162 is about 20540.0623660202. The cubic root of 421894162 is about 750.0113550873.

The spelling of 421894162 in words is "four hundred twenty-one million, eight hundred ninety-four thousand, one hundred sixty-two".