633830140 has 12 divisors (see below), whose sum is σ = 1331043336. Its totient is φ = 253532048.

The previous prime is 633830137. The next prime is 633830149. The reversal of 633830140 is 41038336.

It is a junction number, because it is equal to n+sod(n) for n = 633830099 and 633830108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633830149) 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 3 ways as a sum of consecutive naturals, for example, 15845734 + ... + 15845773.

It is an arithmetic number, because the mean of its divisors is an integer number (110920278).

Almost surely, 2^633830140 is an apocalyptic number.

It is an amenable number.

633830140 is an abundant number, since it is smaller than the sum of its proper divisors (697213196).

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

633830140 is a wasteful number, since it uses less digits than its factorization.

633830140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31691516 (or 31691514 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 633830140 is about 25175.9833968804. The cubic root of 633830140 is about 858.9956456173.

Adding to 633830140 its reverse (41038336), we get a palindrome (674868476).

The spelling of 633830140 in words is "six hundred thirty-three million, eight hundred thirty thousand, one hundred forty".