432336421 has 8 divisors (see below), whose sum is σ = 473616000. Its totient is φ = 391386240.

The previous prime is 432336413. The next prime is 432336433. The reversal of 432336421 is 124633234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 432336421 - 2³ = 432336413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 432336421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432336481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79596 + ... + 84853.

It is an arithmetic number, because the mean of its divisors is an integer number (59202000).

Almost surely, 2^432336421 is an apocalyptic number.

It is an amenable number.

432336421 is a deficient number, since it is larger than the sum of its proper divisors (41279579).

432336421 is a wasteful number, since it uses less digits than its factorization.

432336421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164699.

The product of its digits is 10368, while the sum is 28.

The square root of 432336421 is about 20792.7011472776. The cubic root of 432336421 is about 756.1488123067.

Adding to 432336421 its reverse (124633234), we get a palindrome (556969655).

The spelling of 432336421 in words is "four hundred thirty-two million, three hundred thirty-six thousand, four hundred twenty-one".