421421476 has 12 divisors (see below), whose sum is σ = 842843008. Its totient is φ = 180609192.

The previous prime is 421421459. The next prime is 421421519. The reversal of 421421476 is 674124124.

421421476 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 7525356 + ... + 7525411.

Almost surely, 2^421421476 is an apocalyptic number.

It is an amenable number.

421421476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421421476 is a wasteful number, since it uses less digits than its factorization.

421421476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050778 (or 15050776 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 421421476 is about 20528.5527010552. The cubic root of 421421476 is about 749.7311486738.

The spelling of 421421476 in words is "four hundred twenty-one million, four hundred twenty-one thousand, four hundred seventy-six".