628932 has 24 divisors (see below), whose sum is σ = 1554336. Its totient is φ = 197248.

The previous prime is 628921. The next prime is 628937. The reversal of 628932 is 239826.

It is a self number, because there is not a number n which added to its sum of digits gives 628932.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628932.

It is not an unprimeable number, because it can be changed into a prime (628937) by changing a digit.

628932 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 7 ways as a sum of consecutive naturals, for example, 1338 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (64764).

2⁶²⁸⁹³² is an apocalyptic number.

It is an amenable number.

628932 is an abundant number, since it is smaller than the sum of its proper divisors (925404).

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

628932 is a wasteful number, since it uses less digits than its factorization.

628932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3105 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 628932 is about 793.0523311863. The cubic root of 628932 is about 85.6777193233.

The spelling of 628932 in words is "six hundred twenty-eight thousand, nine hundred thirty-two".