628104 has 16 divisors (see below), whose sum is σ = 1570320. Its totient is φ = 209360.

The previous prime is 628097. The next prime is 628127. The reversal of 628104 is 401826.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628104.

It is an unprimeable number.

628104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13062 + ... + 13109.

It is an arithmetic number, because the mean of its divisors is an integer number (98145).

2⁶²⁸¹⁰⁴ is an apocalyptic number.

It is an amenable number.

628104 is an abundant number, since it is smaller than the sum of its proper divisors (942216).

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

628104 is a wasteful number, since it uses less digits than its factorization.

628104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26180 (or 26176 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 628104 is about 792.5301256104. The cubic root of 628104 is about 85.6401040718.

The spelling of 628104 in words is "six hundred twenty-eight thousand, one hundred four".