432242421 has 8 divisors (see below), whose sum is σ = 620655840. Its totient is φ = 265995312.

The previous prime is 432242413. The next prime is 432242441. The reversal of 432242421 is 124242234.

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

It is not a de Polignac number, because 432242421 - 2³ = 432242413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 432242391 and 432242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432242441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541531 + ... + 5541608.

It is an arithmetic number, because the mean of its divisors is an integer number (77581980).

Almost surely, 2^432242421 is an apocalyptic number.

It is an amenable number.

432242421 is a deficient number, since it is larger than the sum of its proper divisors (188413419).

432242421 is a wasteful number, since it uses less digits than its factorization.

432242421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083155.

The product of its digits is 3072, while the sum is 24.

The square root of 432242421 is about 20790.4406158215. The cubic root of 432242421 is about 756.0940068845.

Adding to 432242421 its reverse (124242234), we get a palindrome (556484655).

The spelling of 432242421 in words is "four hundred thirty-two million, two hundred forty-two thousand, four hundred twenty-one".