631412832 has 24 divisors (see below), whose sum is σ = 1657458936. Its totient is φ = 210470912.

The previous prime is 631412801. The next prime is 631412849. The reversal of 631412832 is 238214136.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a self number, because there is not a number n which added to its sum of digits gives 631412832.

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 in 3 ways as a sum of consecutive naturals, for example, 3288513 + ... + 3288704.

It is an arithmetic number, because the mean of its divisors is an integer number (69060789).

Almost surely, 2^631412832 is an apocalyptic number.

It is an amenable number.

631412832 is an abundant number, since it is smaller than the sum of its proper divisors (1026046104).

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

631412832 is a wasteful number, since it uses less digits than its factorization.

631412832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577230 (or 6577222 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 631412832 is about 25127.9293217726. The cubic root of 631412832 is about 857.9022389036.

Adding to 631412832 its reverse (238214136), we get a palindrome (869626968).

The spelling of 631412832 in words is "six hundred thirty-one million, four hundred twelve thousand, eight hundred thirty-two".