630343508 has 24 divisors (see below), whose sum is σ = 1130298624. Its totient is φ = 307445600.

The previous prime is 630343463. The next prime is 630343523. The reversal of 630343508 is 805343036.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53078 + ... + 63858.

It is an arithmetic number, because the mean of its divisors is an integer number (47095776).

Almost surely, 2^630343508 is an apocalyptic number.

It is an amenable number.

630343508 is a deficient number, since it is larger than the sum of its proper divisors (499955116).

630343508 is a wasteful number, since it uses less digits than its factorization.

630343508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143 (or 11141 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 630343508 is about 25106.6427066623. The cubic root of 630343508 is about 857.4176674968.

The spelling of 630343508 in words is "six hundred thirty million, three hundred forty-three thousand, five hundred eight".