628343 has 8 divisors (see below), whose sum is σ = 665280. Its totient is φ = 592480.

The previous prime is 628319. The next prime is 628357. The reversal of 628343 is 343826.

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 628343 - 2¹⁸ = 366199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628363) 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, 1133 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁶²⁸³⁴³ is an apocalyptic number.

628343 is a deficient number, since it is larger than the sum of its proper divisors (36937).

628343 is a wasteful number, since it uses less digits than its factorization.

628343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its digits is 3456, while the sum is 26.

The square root of 628343 is about 792.6808941813. The cubic root of 628343 is about 85.6509650064.

The spelling of 628343 in words is "six hundred twenty-eight thousand, three hundred forty-three".