432421404 has 24 divisors (see below), whose sum is σ = 1009937040. Its totient is φ = 144004224.

The previous prime is 432421403. The next prime is 432421447. The reversal of 432421404 is 404124234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432421403) 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, 3369 + ... + 29600.

It is an arithmetic number, because the mean of its divisors is an integer number (42080710).

Almost surely, 2^432421404 is an apocalyptic number.

It is an amenable number.

432421404 is an abundant number, since it is smaller than the sum of its proper divisors (577515636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

432421404 is a wasteful number, since it uses less digits than its factorization.

432421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34069 (or 34067 counting only the distinct ones).

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

The square root of 432421404 is about 20794.7446245440. The cubic root of 432421404 is about 756.1983536526.

Adding to 432421404 its reverse (404124234), we get a palindrome (836545638).

The spelling of 432421404 in words is "four hundred thirty-two million, four hundred twenty-one thousand, four hundred four".