4131432 has 64 divisors (see below), whose sum is σ = 11865600. Its totient is φ = 1330560.

The previous prime is 4131409. The next prime is 4131443. The reversal of 4131432 is 2341314.

4131432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6388 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (185400).

Almost surely, 2^4131432 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 4131432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5932800).

4131432 is an abundant number, since it is smaller than the sum of its proper divisors (7734168).

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

4131432 is a wasteful number, since it uses less digits than its factorization.

4131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 653 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4131432 is about 2032.5924333225. The cubic root of 4131432 is about 160.4600302252.

Adding to 4131432 its reverse (2341314), we get a palindrome (6472746).

The spelling of 4131432 in words is "four million, one hundred thirty-one thousand, four hundred thirty-two".