630696448 has 20 divisors (see below), whose sum is σ = 1260162090. Its totient is φ = 315347968.

The previous prime is 630696373. The next prime is 630696497. The reversal of 630696448 is 844696036.

It can be written as a sum of positive squares in only one way, i.e., 601622784 + 29073664 = 24528^2 + 5392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630696398 and 630696407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615403 + ... + 616426.

Almost surely, 2^630696448 is an apocalyptic number.

It is an amenable number.

630696448 is a deficient number, since it is larger than the sum of its proper divisors (629465642).

630696448 is an equidigital number, since it uses as much as digits as its factorization.

630696448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231847 (or 1231831 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 630696448 is about 25113.6705401660. The cubic root of 630696448 is about 857.5776651939.

The spelling of 630696448 in words is "six hundred thirty million, six hundred ninety-six thousand, four hundred forty-eight".