630589874 has 8 divisors (see below), whose sum is σ = 1001525148. Its totient is φ = 296748160.

The previous prime is 630589871. The next prime is 630589877. The reversal of 630589874 is 478985036.

It is an interprime number because it is at equal distance from previous prime (630589871) and next prime (630589877).

It can be written as a sum of positive squares in 2 ways, for example, as 629658649 + 931225 = 25093^2 + 965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (630589871) 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, 9273347 + ... + 9273414.

Almost surely, 2^630589874 is an apocalyptic number.

630589874 is a deficient number, since it is larger than the sum of its proper divisors (370935274).

630589874 is a wasteful number, since it uses less digits than its factorization.

630589874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546780.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 630589874 is about 25111.5486181159. The cubic root of 630589874 is about 857.5293584737.

The spelling of 630589874 in words is "six hundred thirty million, five hundred eighty-nine thousand, eight hundred seventy-four".