628254 has 48 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 179280.

The previous prime is 628231. The next prime is 628261. The reversal of 628254 is 452826.

628254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628254.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3679 + ... + 3845.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2⁶²⁸²⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

628254 is an abundant number, since it is smaller than the sum of its proper divisors (944226).

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

628254 is a wasteful number, since it uses less digits than its factorization.

628254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 628254 is about 792.6247535877. The cubic root of 628254 is about 85.6469208798.

It can be divided in two parts, 6282 and 54, that added together give a palindrome (6336).

The spelling of 628254 in words is "six hundred twenty-eight thousand, two hundred fifty-four".