628902 has 12 divisors (see below), whose sum is σ = 1362660. Its totient is φ = 209628.

The previous prime is 628877. The next prime is 628909. The reversal of 628902 is 209826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17452 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (113555).

2⁶²⁸⁹⁰² is an apocalyptic number.

628902 is an abundant number, since it is smaller than the sum of its proper divisors (733758).

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

628902 is a wasteful number, since it uses less digits than its factorization.

628902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34947 (or 34944 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 628902 is about 793.0334166982. The cubic root of 628902 is about 85.6763570285.

The spelling of 628902 in words is "six hundred twenty-eight thousand, nine hundred two".