632861320 has 192 divisors, whose sum is σ = 1815367680. Its totient is φ = 193342464.

The previous prime is 632861293. The next prime is 632861321. The reversal of 632861320 is 23168236.

It is not an unprimeable number, because it can be changed into a prime (632861321) 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 47 ways as a sum of consecutive naturals, for example, 4983097 + ... + 4983223.

It is an arithmetic number, because the mean of its divisors is an integer number (9455040).

Almost surely, 2^632861320 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 632861320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907683840).

632861320 is an abundant number, since it is smaller than the sum of its proper divisors (1182506360).

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

632861320 is a wasteful number, since it uses less digits than its factorization.

632861320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 632861320 is about 25156.7350822797. The cubic root of 632861320 is about 858.5577593519.

The spelling of 632861320 in words is "six hundred thirty-two million, eight hundred sixty-one thousand, three hundred twenty".