630268328 has 16 divisors (see below), whose sum is σ = 1183113780. Its totient is φ = 314771328.

The previous prime is 630268321. The next prime is 630268393. The reversal of 630268328 is 823862036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 574944484 + 55323844 = 23978^2 + 7438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630268291 and 630268300.

It is not an unprimeable number, because it can be changed into a prime (630268321) by changing a digit.

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, 37901 + ... + 51932.

Almost surely, 2^630268328 is an apocalyptic number.

It is an amenable number.

630268328 is a deficient number, since it is larger than the sum of its proper divisors (552845452).

630268328 is a wasteful number, since it uses less digits than its factorization.

630268328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90716 (or 90712 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 630268328 is about 25105.1454486924. The cubic root of 630268328 is about 857.3835785584.

The spelling of 630268328 in words is "six hundred thirty million, two hundred sixty-eight thousand, three hundred twenty-eight".