636424324 has 6 divisors (see below), whose sum is σ = 1113742574. Its totient is φ = 318212160.

The previous prime is 636424307. The next prime is 636424339. The reversal of 636424324 is 423424636.

It can be written as a sum of positive squares in only one way, i.e., 393625600 + 242798724 = 19840^2 + 15582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 636424324.

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 as a sum of consecutive naturals, namely, 79553037 + ... + 79553044.

Almost surely, 2^636424324 is an apocalyptic number.

It is an amenable number.

636424324 is a deficient number, since it is larger than the sum of its proper divisors (477318250).

636424324 is a wasteful number, since it uses less digits than its factorization.

636424324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159106085 (or 159106083 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

The square root of 636424324 is about 25227.4517936315. The cubic root of 636424324 is about 860.1659694101.

The spelling of 636424324 in words is "six hundred thirty-six million, four hundred twenty-four thousand, three hundred twenty-four".