6631432 has 32 divisors (see below), whose sum is σ = 12856320. Its totient is φ = 3205440.

The previous prime is 6631421. The next prime is 6631447. The reversal of 6631432 is 2341366.

It is a junction number, because it is equal to n+sod(n) for n = 6631397 and 6631406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52153 + ... + 52279.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^6631432 is an apocalyptic number.

It is an amenable number.

6631432 is a deficient number, since it is larger than the sum of its proper divisors (6224888).

6631432 is a wasteful number, since it uses less digits than its factorization.

6631432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 297 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 6631432 is about 2575.1566942615. The cubic root of 6631432 is about 187.8750490075.

Adding to 6631432 its reverse (2341366), we get a palindrome (8972798).

The spelling of 6631432 in words is "six million, six hundred thirty-one thousand, four hundred thirty-two".