628832656 has 10 divisors (see below), whose sum is σ = 1218363302. Its totient is φ = 314416320.

The previous prime is 628832641. The next prime is 628832671. The reversal of 628832656 is 656238826.

628832656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (628832641) and next prime (628832671).

It can be written as a sum of positive squares in only one way, i.e., 462938256 + 165894400 = 21516^2 + 12880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19651005 + ... + 19651036.

Almost surely, 2^628832656 is an apocalyptic number.

It is an amenable number.

628832656 is a deficient number, since it is larger than the sum of its proper divisors (589530646).

628832656 is a wasteful number, since it uses less digits than its factorization.

628832656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39302049 (or 39302043 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 628832656 is about 25076.5359649215. The cubic root of 628832656 is about 856.7320796359.

The spelling of 628832656 in words is "six hundred twenty-eight million, eight hundred thirty-two thousand, six hundred fifty-six".