4032432 has 60 divisors (see below), whose sum is σ = 11577384. Its totient is φ = 1309440.

The previous prime is 4032409. The next prime is 4032433. The reversal of 4032432 is 2342304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4032433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5563 + ... + 6245.

Almost surely, 2^4032432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4032432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5788692).

4032432 is an abundant number, since it is smaller than the sum of its proper divisors (7544952).

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

4032432 is a wasteful number, since it uses less digits than its factorization.

4032432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4032432 is about 2008.0916313754. The cubic root of 4032432 is about 159.1679724803.

Adding to 4032432 its reverse (2342304), we get a palindrome (6374736).

The spelling of 4032432 in words is "four million, thirty-two thousand, four hundred thirty-two".