630820960 has 96 divisors (see below), whose sum is σ = 1858090752. Its totient is φ = 196615680.

The previous prime is 630820951. The next prime is 630820991. The reversal of 630820960 is 69028036.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 13282 + ... + 37921.

It is an arithmetic number, because the mean of its divisors is an integer number (19355112).

Almost surely, 2^630820960 is an apocalyptic number.

It is an amenable number.

630820960 is an abundant number, since it is smaller than the sum of its proper divisors (1227269792).

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

630820960 is a wasteful number, since it uses less digits than its factorization.

630820960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51236 (or 51228 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 630820960 is about 25116.1493864008. The cubic root of 630820960 is about 857.6340957661.

Adding to 630820960 its reverse (69028036), we get a palindrome (699848996).

The spelling of 630820960 in words is "six hundred thirty million, eight hundred twenty thousand, nine hundred sixty".