628106 has 8 divisors (see below), whose sum is σ = 945540. Its totient is φ = 312928.

The previous prime is 628097. The next prime is 628127. The reversal of 628106 is 601826.

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 11881 = 785^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710 + ... + 1326.

2⁶²⁸¹⁰⁶ is an apocalyptic number.

628106 is a deficient number, since it is larger than the sum of its proper divisors (317434).

628106 is a wasteful number, since it uses less digits than its factorization.

628106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 628106 is about 792.5313873911. The cubic root of 628106 is about 85.6401949697.

The spelling of 628106 in words is "six hundred twenty-eight thousand, one hundred six".