628159 has 8 divisors (see below), whose sum is σ = 755840. Its totient is φ = 509976.

The previous prime is 628139. The next prime is 628171. The reversal of 628159 is 951826.

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 628159 - 2⁵ = 628127 is a prime.

It is a Duffinian number.

628159 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 628159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229 + ... + 2494.

It is an arithmetic number, because the mean of its divisors is an integer number (94480).

2⁶²⁸¹⁵⁹ is an apocalyptic number.

628159 is a deficient number, since it is larger than the sum of its proper divisors (127681).

628159 is a wasteful number, since it uses less digits than its factorization.

628159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749.

The product of its digits is 4320, while the sum is 31.

The square root of 628159 is about 792.5648238472. The cubic root of 628159 is about 85.6426036941.

It can be divided in two parts, 628 and 159, that added together give a palindrome (787).

The spelling of 628159 in words is "six hundred twenty-eight thousand, one hundred fifty-nine".