628841604 has 48 divisors (see below), whose sum is σ = 1504863360. Its totient is φ = 204314880.

The previous prime is 628841573. The next prime is 628841617. The reversal of 628841604 is 406148826.

628841604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71682 + ... + 79974.

It is an arithmetic number, because the mean of its divisors is an integer number (31351320).

Almost surely, 2^628841604 is an apocalyptic number.

It is an amenable number.

628841604 is an abundant number, since it is smaller than the sum of its proper divisors (876021756).

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

628841604 is a wasteful number, since it uses less digits than its factorization.

628841604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 628841604 is about 25076.7143780839. The cubic root of 628841604 is about 856.7361432513.

The spelling of 628841604 in words is "six hundred twenty-eight million, eight hundred forty-one thousand, six hundred four".