628269 has 16 divisors (see below), whose sum is σ = 903168. Its totient is φ = 387072.

The previous prime is 628267. The next prime is 628289. The reversal of 628269 is 962826.

628269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628269 - 2¹ = 628267 is a prime.

It is a super-2 number, since 2×628269² = 789443872722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4884 + ... + 5010.

It is an arithmetic number, because the mean of its divisors is an integer number (56448).

2⁶²⁸²⁶⁹ is an apocalyptic number.

It is an amenable number.

628269 is a deficient number, since it is larger than the sum of its proper divisors (274899).

628269 is a wasteful number, since it uses less digits than its factorization.

628269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its digits is 10368, while the sum is 33.

The square root of 628269 is about 792.6342157641. The cubic root of 628269 is about 85.6476025009.

It can be divided in two parts, 62826 and 9, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 628269 in words is "six hundred twenty-eight thousand, two hundred sixty-nine".