628682 has 16 divisors (see below), whose sum is σ = 1002240. Its totient is φ = 295152.

The previous prime is 628681. The next prime is 628687. The reversal of 628682 is 286826.

It is a happy number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628682.

It is not an unprimeable number, because it can be changed into a prime (628681) 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 7 ways as a sum of consecutive naturals, for example, 3548 + ... + 3720.

It is an arithmetic number, because the mean of its divisors is an integer number (62640).

2⁶²⁸⁶⁸² is an apocalyptic number.

628682 is a deficient number, since it is larger than the sum of its proper divisors (373558).

628682 is a wasteful number, since it uses less digits than its factorization.

628682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its digits is 9216, while the sum is 32.

The square root of 628682 is about 792.8946966653. The cubic root of 628682 is about 85.6663655424. Note that the first 3 decimals are identical.

The spelling of 628682 in words is "six hundred twenty-eight thousand, six hundred eighty-two".