633349968 has 20 divisors (see below), whose sum is σ = 1636154208. Its totient is φ = 211116640.

The previous prime is 633349963. The next prime is 633349991. The reversal of 633349968 is 869943336.

It is a super-2 number, since 2×633349968² = 802264363931202048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 633349968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633349963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6597348 + ... + 6597443.

Almost surely, 2^633349968 is an apocalyptic number.

It is an amenable number.

633349968 is an abundant number, since it is smaller than the sum of its proper divisors (1002804240).

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

633349968 is a wasteful number, since it uses less digits than its factorization.

633349968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194802 (or 13194796 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The square root of 633349968 is about 25166.4452793794. The cubic root of 633349968 is about 858.7786737860.

The spelling of 633349968 in words is "six hundred thirty-three million, three hundred forty-nine thousand, nine hundred sixty-eight".