630087686 has 16 divisors (see below), whose sum is σ = 967837200. Its totient is φ = 307486368.

The previous prime is 630087641. The next prime is 630087701. The reversal of 630087686 is 686780036.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 193520 + ... + 196748.

It is an arithmetic number, because the mean of its divisors is an integer number (60489825).

Almost surely, 2^630087686 is an apocalyptic number.

630087686 is a deficient number, since it is larger than the sum of its proper divisors (337749514).

630087686 is a wasteful number, since it uses less digits than its factorization.

630087686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 630087686 is about 25101.5474821773. The cubic root of 630087686 is about 857.3016588021.

The spelling of 630087686 in words is "six hundred thirty million, eighty-seven thousand, six hundred eighty-six".