628263 has 8 divisors (see below), whose sum is σ = 930800. Its totient is φ = 418824.

The previous prime is 628261. The next prime is 628267. The reversal of 628263 is 362826.

628263 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 628263 - 2¹ = 628261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 23269 = 628263 / (6 + 2 + 8 + 2 + 6 + 3).

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 11608 + ... + 11661.

It is an arithmetic number, because the mean of its divisors is an integer number (116350).

2⁶²⁸²⁶³ is an apocalyptic number.

628263 is a deficient number, since it is larger than the sum of its proper divisors (302537).

628263 is a wasteful number, since it uses less digits than its factorization.

628263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23278 (or 23272 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 628263 is about 792.6304309071. The cubic root of 628263 is about 85.6473298538.

The spelling of 628263 in words is "six hundred twenty-eight thousand, two hundred sixty-three".