421198768 has 20 divisors (see below), whose sum is σ = 818985528. Its totient is φ = 209847680.

The previous prime is 421198763. The next prime is 421198777. The reversal of 421198768 is 867891124.

It is not an unprimeable number, because it can be changed into a prime (421198763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42346 + ... + 51337.

Almost surely, 2^421198768 is an apocalyptic number.

It is an amenable number.

421198768 is a deficient number, since it is larger than the sum of its proper divisors (397786760).

421198768 is a wasteful number, since it uses less digits than its factorization.

421198768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93972 (or 93966 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 421198768 is about 20523.1276368881. The cubic root of 421198768 is about 749.5990556223.

The spelling of 421198768 in words is "four hundred twenty-one million, one hundred ninety-eight thousand, seven hundred sixty-eight".