631414432 has 96 divisors (see below), whose sum is σ = 1412074944. Its totient is φ = 275404800.

The previous prime is 631414393. The next prime is 631414439. The reversal of 631414432 is 234414136.

It is a self number, because there is not a number n which added to its sum of digits gives 631414432.

It is not an unprimeable number, because it can be changed into a prime (631414439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966618 + ... + 967270.

It is an arithmetic number, because the mean of its divisors is an integer number (14709114).

Almost surely, 2^631414432 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 631414432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706037472).

631414432 is an abundant number, since it is smaller than the sum of its proper divisors (780660512).

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

631414432 is a wasteful number, since it uses less digits than its factorization.

631414432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 774 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 631414432 is about 25127.9611588366. The cubic root of 631414432 is about 857.9029635443.

Adding to 631414432 its reverse (234414136), we get a palindrome (865828568).

The spelling of 631414432 in words is "six hundred thirty-one million, four hundred fourteen thousand, four hundred thirty-two".