421866976 has 12 divisors (see below), whose sum is σ = 830550672. Its totient is φ = 210933472.

The previous prime is 421866947. The next prime is 421866997. The reversal of 421866976 is 679668124.

It is a congruent 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 as a sum of consecutive naturals, namely, 6591640 + ... + 6591703.

It is an arithmetic number, because the mean of its divisors is an integer number (69212556).

Almost surely, 2^421866976 is an apocalyptic number.

It is an amenable number.

421866976 is a deficient number, since it is larger than the sum of its proper divisors (408683696).

421866976 is a wasteful number, since it uses less digits than its factorization.

421866976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13183353 (or 13183345 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 421866976 is about 20539.4005754793. The cubic root of 421866976 is about 749.9952450069.

The spelling of 421866976 in words is "four hundred twenty-one million, eight hundred sixty-six thousand, nine hundred seventy-six".