628004600 has 48 divisors (see below), whose sum is σ = 1491199200. Its totient is φ = 245853440.

The previous prime is 628004591. The next prime is 628004623. The reversal of 628004600 is 6400826.

It is a self number, because there is not a number n which added to its sum of digits gives 628004600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24005 + ... + 42804.

It is an arithmetic number, because the mean of its divisors is an integer number (31066650).

Almost surely, 2^628004600 is an apocalyptic number.

It is an amenable number.

628004600 is an abundant number, since it is smaller than the sum of its proper divisors (863194600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628004600 is a wasteful number, since it uses less digits than its factorization.

628004600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66872 (or 66863 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 628004600 is about 25060.0199521070. The cubic root of 628004600 is about 856.3558620245.

The spelling of 628004600 in words is "six hundred twenty-eight million, four thousand, six hundred".