628628012 has 12 divisors (see below), whose sum is σ = 1138033680. Its totient is φ = 303475536.

The previous prime is 628628003. The next prime is 628628047. The reversal of 628628012 is 210826826.

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, 2709488 + ... + 2709719.

It is an arithmetic number, because the mean of its divisors is an integer number (94836140).

Almost surely, 2^628628012 is an apocalyptic number.

It is an amenable number.

628628012 is a deficient number, since it is larger than the sum of its proper divisors (509405668).

628628012 is a wasteful number, since it uses less digits than its factorization.

628628012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419240 (or 5419238 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 628628012 is about 25072.4552447502. The cubic root of 628628012 is about 856.6391327549.

The spelling of 628628012 in words is "six hundred twenty-eight million, six hundred twenty-eight thousand, twelve".