421563196 has 12 divisors (see below), whose sum is σ = 748747048. Its totient is φ = 207635472.

The previous prime is 421563187. The next prime is 421563217. The reversal of 421563196 is 691365124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786231 + ... + 786766.

Almost surely, 2^421563196 is an apocalyptic number.

It is an amenable number.

421563196 is a deficient number, since it is larger than the sum of its proper divisors (327183852).

421563196 is a wasteful number, since it uses less digits than its factorization.

421563196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573068 (or 1573066 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 421563196 is about 20532.0041885832. The cubic root of 421563196 is about 749.8151817193.

The spelling of 421563196 in words is "four hundred twenty-one million, five hundred sixty-three thousand, one hundred ninety-six".