633621412 has 24 divisors (see below), whose sum is σ = 1128508416. Its totient is φ = 311216928.

The previous prime is 633621407. The next prime is 633621427. The reversal of 633621412 is 214126336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99558 + ... + 105730.

It is an arithmetic number, because the mean of its divisors is an integer number (47021184).

Almost surely, 2^633621412 is an apocalyptic number.

It is an amenable number.

633621412 is a deficient number, since it is larger than the sum of its proper divisors (494887004).

633621412 is a wasteful number, since it uses less digits than its factorization.

633621412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627 (or 6625 counting only the distinct ones).

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

The square root of 633621412 is about 25171.8376762603. The cubic root of 633621412 is about 858.9013426819.

Adding to 633621412 its reverse (214126336), we get a palindrome (847747748).

The spelling of 633621412 in words is "six hundred thirty-three million, six hundred twenty-one thousand, four hundred twelve".