628336132 has 12 divisors (see below), whose sum is σ = 1105115200. Its totient is φ = 312588936.

The previous prime is 628336097. The next prime is 628336157. The reversal of 628336132 is 231633826.

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 3 ways as a sum of consecutive naturals, for example, 393888 + ... + 395479.

Almost surely, 2^628336132 is an apocalyptic number.

It is an amenable number.

628336132 is a deficient number, since it is larger than the sum of its proper divisors (476779068).

628336132 is a wasteful number, since it uses less digits than its factorization.

628336132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789570 (or 789568 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 628336132 is about 25066.6338386310. The cubic root of 628336132 is about 856.5065294062.

Adding to 628336132 its reverse (231633826), we get a palindrome (859969958).

The spelling of 628336132 in words is "six hundred twenty-eight million, three hundred thirty-six thousand, one hundred thirty-two".