628982444 has 12 divisors (see below), whose sum is σ = 1107473304. Its totient is φ = 312561504.

The previous prime is 628982423. The next prime is 628982447. The reversal of 628982444 is 444289826.

It is a happy number.

628982444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (628982447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481697 + ... + 483000.

It is an arithmetic number, because the mean of its divisors is an integer number (92289442).

Almost surely, 2^628982444 is an apocalyptic number.

It is an amenable number.

628982444 is a deficient number, since it is larger than the sum of its proper divisors (478490860).

628982444 is a wasteful number, since it uses less digits than its factorization.

628982444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964864 (or 964862 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 628982444 is about 25079.5224037460. The cubic root of 628982444 is about 856.8000987904.

The spelling of 628982444 in words is "six hundred twenty-eight million, nine hundred eighty-two thousand, four hundred forty-four".