421433312 has 12 divisors (see below), whose sum is σ = 829696896. Its totient is φ = 210716640.

The previous prime is 421433297. The next prime is 421433333. The reversal of 421433312 is 213334124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6584864 + ... + 6584927.

It is an arithmetic number, because the mean of its divisors is an integer number (69141408).

Almost surely, 2^421433312 is an apocalyptic number.

It is an amenable number.

421433312 is a deficient number, since it is larger than the sum of its proper divisors (408263584).

421433312 is a wasteful number, since it uses less digits than its factorization.

421433312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169801 (or 13169793 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 421433312 is about 20528.8409804353. The cubic root of 421433312 is about 749.7381675653.

Adding to 421433312 its reverse (213334124), we get a palindrome (634767436).

The spelling of 421433312 in words is "four hundred twenty-one million, four hundred thirty-three thousand, three hundred twelve".