630384828 has 24 divisors (see below), whose sum is σ = 1534850688. Its totient is φ = 200992176.

The previous prime is 630384827. The next prime is 630384841. The reversal of 630384828 is 828483036.

630384828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 630384828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630384827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141726 + ... + 1142277.

It is an arithmetic number, because the mean of its divisors is an integer number (63952112).

Almost surely, 2^630384828 is an apocalyptic number.

It is an amenable number.

630384828 is an abundant number, since it is smaller than the sum of its proper divisors (904465860).

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

630384828 is a wasteful number, since it uses less digits than its factorization.

630384828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284033 (or 2284031 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 630384828 is about 25107.4655829695. The cubic root of 630384828 is about 857.4364021092.

The spelling of 630384828 in words is "six hundred thirty million, three hundred eighty-four thousand, eight hundred twenty-eight".