628843 has 8 divisors (see below), whose sum is σ = 691200. Its totient is φ = 569448.

The previous prime is 628841. The next prime is 628861. The reversal of 628843 is 348826.

It is a happy number.

628843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 628843 - 2¹ = 628841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628841) 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, 283 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2⁶²⁸⁸⁴³ is an apocalyptic number.

628843 is a deficient number, since it is larger than the sum of its proper divisors (62357).

628843 is a wasteful number, since it uses less digits than its factorization.

628843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its digits is 9216, while the sum is 31.

The square root of 628843 is about 792.9962168888. The cubic root of 628843 is about 85.6736777223.

The spelling of 628843 in words is "six hundred twenty-eight thousand, eight hundred forty-three".