630303850 has 48 divisors (see below), whose sum is σ = 1299979296. Its totient is φ = 225432000.

The previous prime is 630303809. The next prime is 630303857. The reversal of 630303850 is 58303036.

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 (630303857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24157 + ... + 42943.

It is an arithmetic number, because the mean of its divisors is an integer number (27082902).

Almost surely, 2^630303850 is an apocalyptic number.

630303850 is the 13420-th nonagonal number.

630303850 is an abundant number, since it is smaller than the sum of its proper divisors (669675446).

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

630303850 is a wasteful number, since it uses less digits than its factorization.

630303850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18871 (or 18866 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 630303850 is about 25105.8529032574. The cubic root of 630303850 is about 857.3996856702.

Adding to 630303850 its reverse (58303036), we get a palindrome (688606886).

The spelling of 630303850 in words is "six hundred thirty million, three hundred three thousand, eight hundred fifty".