630835328 has 32 divisors (see below), whose sum is σ = 1257889500. Its totient is φ = 315129856.

The previous prime is 630835291. The next prime is 630835333. The reversal of 630835328 is 823538036.

It can be written as a sum of positive squares in 2 ways, for example, as 630612544 + 222784 = 25112^2 + 472^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×630835328² = 795906422105735168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630835291 and 630835300.

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, 240488 + ... + 243096.

Almost surely, 2^630835328 is an apocalyptic number.

It is an amenable number.

630835328 is a deficient number, since it is larger than the sum of its proper divisors (627054172).

630835328 is a wasteful number, since it uses less digits than its factorization.

630835328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 630835328 is about 25116.4354158786. The cubic root of 630835328 is about 857.6406070659.

The spelling of 630835328 in words is "six hundred thirty million, eight hundred thirty-five thousand, three hundred twenty-eight".