4321432 has 8 divisors (see below), whose sum is σ = 8102700. Its totient is φ = 2160712.

The previous prime is 4321411. The next prime is 4321439. The reversal of 4321432 is 2341234.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270082 + ... + 270097.

Almost surely, 2^4321432 is an apocalyptic number.

It is an amenable number.

4321432 is a deficient number, since it is larger than the sum of its proper divisors (3781268).

4321432 is a wasteful number, since it uses less digits than its factorization.

4321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540185 (or 540181 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 4321432 is about 2078.8054262003. The cubic root of 4321432 is about 162.8830505911.

Adding to 4321432 its reverse (2341234), we get a palindrome (6662666).

It can be divided in two parts, 4321 and 432, that added together give a triangular number (4753 = T₉₇).

The spelling of 4321432 in words is "four million, three hundred twenty-one thousand, four hundred thirty-two".