628883 has 4 divisors (see below), whose sum is σ = 630480. Its totient is φ = 627288.

The previous prime is 628877. The next prime is 628909. The reversal of 628883 is 388826.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 388826 = 2 ⋅194413.

It is a cyclic number.

It is not a de Polignac number, because 628883 - 2⁶ = 628819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628183) 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, 266 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (157620).

2⁶²⁸⁸⁸³ is an apocalyptic number.

628883 is a deficient number, since it is larger than the sum of its proper divisors (1597).

628883 is an equidigital number, since it uses as much as digits as its factorization.

628883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 18432, while the sum is 35.

The square root of 628883 is about 793.0214372891. The cubic root of 628883 is about 85.6754942194.

The spelling of 628883 in words is "six hundred twenty-eight thousand, eight hundred eighty-three".