630884386 has 32 divisors (see below), whose sum is σ = 1071766080. Its totient is φ = 275889600.

The previous prime is 630884381. The next prime is 630884389. The reversal of 630884386 is 683488036.

It is not an unprimeable number, because it can be changed into a prime (630884381) 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 15 ways as a sum of consecutive naturals, for example, 194256 + ... + 197476.

It is an arithmetic number, because the mean of its divisors is an integer number (33492690).

Almost surely, 2^630884386 is an apocalyptic number.

630884386 is a deficient number, since it is larger than the sum of its proper divisors (440881694).

630884386 is a wasteful number, since it uses less digits than its factorization.

630884386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 630884386 is about 25117.4120084056. The cubic root of 630884386 is about 857.6628384578.

The spelling of 630884386 in words is "six hundred thirty million, eight hundred eighty-four thousand, three hundred eighty-six".