421985462 has 8 divisors (see below), whose sum is σ = 660499056. Its totient is φ = 201819112.

The previous prime is 421985461. The next prime is 421985471. The reversal of 421985462 is 264589124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421985461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4586753 + ... + 4586844.

It is an arithmetic number, because the mean of its divisors is an integer number (82562382).

Almost surely, 2^421985462 is an apocalyptic number.

421985462 is a deficient number, since it is larger than the sum of its proper divisors (238513594).

421985462 is a wasteful number, since it uses less digits than its factorization.

421985462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173622.

The product of its digits is 138240, while the sum is 41.

The square root of 421985462 is about 20542.2847317430. The cubic root of 421985462 is about 750.0654532506.

The spelling of 421985462 in words is "four hundred twenty-one million, nine hundred eighty-five thousand, four hundred sixty-two".