630966237 has 48 divisors (see below), whose sum is σ = 996287040. Its totient is φ = 353605120.

The previous prime is 630966227. The next prime is 630966251. The reversal of 630966237 is 732669036.

It is not a de Polignac number, because 630966237 - 2⁴ = 630966221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630966227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363223 + ... + 364955.

It is an arithmetic number, because the mean of its divisors is an integer number (20755980).

Almost surely, 2^630966237 is an apocalyptic number.

It is an amenable number.

630966237 is a deficient number, since it is larger than the sum of its proper divisors (365320803).

630966237 is a wasteful number, since it uses less digits than its factorization.

630966237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 630966237 is about 25119.0413232671. The cubic root of 630966237 is about 857.6999279398.

The spelling of 630966237 in words is "six hundred thirty million, nine hundred sixty-six thousand, two hundred thirty-seven".