43631132 has 6 divisors (see below), whose sum is σ = 76354488. Its totient is φ = 21815564.

The previous prime is 43631117. The next prime is 43631171. The reversal of 43631132 is 23113634.

It is a junction number, because it is equal to n+sod(n) for n = 43631098 and 43631107.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5453888 + ... + 5453895.

It is an arithmetic number, because the mean of its divisors is an integer number (12725748).

Almost surely, 2^43631132 is an apocalyptic number.

It is an amenable number.

43631132 is a deficient number, since it is larger than the sum of its proper divisors (32723356).

43631132 is a wasteful number, since it uses less digits than its factorization.

43631132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907787 (or 10907785 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 43631132 is about 6605.3865897463. The cubic root of 43631132 is about 352.0455239847.

Adding to 43631132 its reverse (23113634), we get a palindrome (66744766).

The spelling of 43631132 in words is "forty-three million, six hundred thirty-one thousand, one hundred thirty-two".