628582 has 8 divisors (see below), whose sum is σ = 946296. Its totient is φ = 313152.

The previous prime is 628561. The next prime is 628583. The reversal of 628582 is 285826.

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

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 1270.

It is an arithmetic number, because the mean of its divisors is an integer number (118287).

2⁶²⁸⁵⁸² is an apocalyptic number.

628582 is a deficient number, since it is larger than the sum of its proper divisors (317714).

628582 is a wasteful number, since it uses less digits than its factorization.

628582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its digits is 7680, while the sum is 31.

The square root of 628582 is about 792.8316340813. The cubic root of 628582 is about 85.6618231872.

The spelling of 628582 in words is "six hundred twenty-eight thousand, five hundred eighty-two".