421071304 has 24 divisors (see below), whose sum is σ = 825335910. Its totient is φ = 201379904.

The previous prime is 421071257. The next prime is 421071311. The reversal of 421071304 is 403170124.

It can be written as a sum of positive squares in only one way, i.e., 347076900 + 73994404 = 18630^2 + 8602^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 45517 + ... + 53980.

Almost surely, 2^421071304 is an apocalyptic number.

It is an amenable number.

421071304 is a deficient number, since it is larger than the sum of its proper divisors (404264606).

421071304 is a wasteful number, since it uses less digits than its factorization.

421071304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99549 (or 99522 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 421071304 is about 20520.0220272786. The cubic root of 421071304 is about 749.5234329463.

The spelling of 421071304 in words is "four hundred twenty-one million, seventy-one thousand, three hundred four".