630286641 has 12 divisors (see below), whose sum is σ = 949997568. Its totient is φ = 401921784.

The previous prime is 630286627. The next prime is 630286661. The reversal of 630286641 is 146682036.

630286641 is a `hidden beast` number, since 6 + 3 + 0 + 2 + 8 + 6 + 641 = 666.

It is not a de Polignac number, because 630286641 - 2¹⁸ = 630024497 is a prime.

It is a super-2 number, since 2×630286641² = 794522499646125762, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 630286596 and 630286605.

It is not an unprimeable number, because it can be changed into a prime (630286661) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1522225 + ... + 1522638.

It is an arithmetic number, because the mean of its divisors is an integer number (79166464).

Almost surely, 2^630286641 is an apocalyptic number.

It is an amenable number.

630286641 is a deficient number, since it is larger than the sum of its proper divisors (319710927).

630286641 is a wasteful number, since it uses less digits than its factorization.

630286641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044892 (or 3044889 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 630286641 is about 25105.5101720718. The cubic root of 630286641 is about 857.3918824890.

The spelling of 630286641 in words is "six hundred thirty million, two hundred eighty-six thousand, six hundred forty-one".