628023 has 8 divisors (see below), whose sum is σ = 913536. Its totient is φ = 380600.

The previous prime is 628021. The next prime is 628037. The reversal of 628023 is 320826.

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

It is not a de Polignac number, because 628023 - 2¹ = 628021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9483 + ... + 9548.

It is an arithmetic number, because the mean of its divisors is an integer number (114192).

2⁶²⁸⁰²³ is an apocalyptic number.

628023 is a deficient number, since it is larger than the sum of its proper divisors (285513).

628023 is a wasteful number, since it uses less digits than its factorization.

628023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19045.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 628023 is about 792.4790218044. The cubic root of 628023 is about 85.6364225442.

Adding to 628023 its reverse (320826), we get a palindrome (948849).

The spelling of 628023 in words is "six hundred twenty-eight thousand, twenty-three".