432434421 has 24 divisors (see below), whose sum is σ = 644542080. Its totient is φ = 279201600.

The previous prime is 432434419. The next prime is 432434441. The reversal of 432434421 is 124434234.

It is a happy number.

It is not a de Polignac number, because 432434421 - 2¹ = 432434419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432434441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47076 + ... + 55506.

It is an arithmetic number, because the mean of its divisors is an integer number (26855920).

Almost surely, 2^432434421 is an apocalyptic number.

432434421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

432434421 is a deficient number, since it is larger than the sum of its proper divisors (212107659).

432434421 is a wasteful number, since it uses less digits than its factorization.

432434421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617 (or 8614 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 432434421 is about 20795.0576099226. The cubic root of 432434421 is about 756.2059414170.

Adding to 432434421 its reverse (124434234), we get a palindrome (556868655).

The spelling of 432434421 in words is "four hundred thirty-two million, four hundred thirty-four thousand, four hundred twenty-one".