421547482 has 16 divisors (see below), whose sum is σ = 639475200. Its totient is φ = 208395792.

The previous prime is 421547459. The next prime is 421547491. The reversal of 421547482 is 284745124.

It is an unprimeable number.

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, 174519 + ... + 176917.

It is an arithmetic number, because the mean of its divisors is an integer number (39967200).

Almost surely, 2^421547482 is an apocalyptic number.

421547482 is a deficient number, since it is larger than the sum of its proper divisors (217927718).

421547482 is a wasteful number, since it uses less digits than its factorization.

421547482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its digits is 71680, while the sum is 37.

The square root of 421547482 is about 20531.6215141425. The cubic root of 421547482 is about 749.8058650124.

The spelling of 421547482 in words is "four hundred twenty-one million, five hundred forty-seven thousand, four hundred eighty-two".