421424312 has 16 divisors (see below), whose sum is σ = 790404360. Its totient is φ = 210649824.

The previous prime is 421424309. The next prime is 421424321. The reversal of 421424312 is 213424124.

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, 34343 + ... + 44969.

Almost surely, 2^421424312 is an apocalyptic number.

It is an amenable number.

421424312 is a deficient number, since it is larger than the sum of its proper divisors (368980048).

421424312 is a wasteful number, since it uses less digits than its factorization.

421424312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590 (or 15586 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 421424312 is about 20528.6217754627. The cubic root of 421424312 is about 749.7328304682.

Adding to 421424312 its reverse (213424124), we get a palindrome (634848436).

The spelling of 421424312 in words is "four hundred twenty-one million, four hundred twenty-four thousand, three hundred twelve".