628332 has 12 divisors (see below), whose sum is σ = 1466136. Its totient is φ = 209440.

The previous prime is 628319. The next prime is 628357. The reversal of 628332 is 233826.

628332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×628332² = 789602204448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 6⁷ + 2¹⁰ + 3² + 8⁶ + 3⁹ + 2¹⁶ .

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, 26169 + ... + 26192.

It is an arithmetic number, because the mean of its divisors is an integer number (122178).

2⁶²⁸³³² is an apocalyptic number.

It is an amenable number.

628332 is an abundant number, since it is smaller than the sum of its proper divisors (837804).

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

628332 is a wasteful number, since it uses less digits than its factorization.

628332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52368 (or 52366 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 628332 is about 792.6739556716. The cubic root of 628332 is about 85.6504651912.

It can be divided in two parts, 62833 and 2, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 628332 in words is "six hundred twenty-eight thousand, three hundred thirty-two".