630006630 has 32 divisors (see below), whose sum is σ = 1649472768. Its totient is φ = 152728800.

The previous prime is 630006623. The next prime is 630006647. The reversal of 630006630 is 36600036.

It is a self number, because there is not a number n which added to its sum of digits gives 630006630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954226 + ... + 954885.

It is an arithmetic number, because the mean of its divisors is an integer number (51546024).

Almost surely, 2^630006630 is an apocalyptic number.

630006630 is an abundant number, since it is smaller than the sum of its proper divisors (1019466138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630006630 is a wasteful number, since it uses less digits than its factorization.

630006630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909132.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 630006630 is about 25099.9328684361. The cubic root of 630006630 is about 857.2648954411.

Adding to 630006630 its reverse (36600036), we get a palindrome (666606666).

The spelling of 630006630 in words is "six hundred thirty million, six thousand, six hundred thirty".