630886937 has 4 divisors (see below), whose sum is σ = 630969360. Its totient is φ = 630804516.

The previous prime is 630886891. The next prime is 630886973. The reversal of 630886937 is 739688036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630886937 - 2¹² = 630882841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630883937) 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 3 ways as a sum of consecutive naturals, for example, 28403 + ... + 45480.

It is an arithmetic number, because the mean of its divisors is an integer number (157742340).

Almost surely, 2^630886937 is an apocalyptic number.

It is an amenable number.

630886937 is a deficient number, since it is larger than the sum of its proper divisors (82423).

630886937 is an equidigital number, since it uses as much as digits as its factorization.

630886937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82422.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 630886937 is about 25117.4627898600. The cubic root of 630886937 is about 857.6639944514.

The spelling of 630886937 in words is "six hundred thirty million, eight hundred eighty-six thousand, nine hundred thirty-seven".