628862 has 24 divisors (see below), whose sum is σ = 1088136. Its totient is φ = 270864.

The previous prime is 628861. The next prime is 628877. The reversal of 628862 is 268826.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628861) 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 11 ways as a sum of consecutive naturals, for example, 9353 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (45339).

2⁶²⁸⁸⁶² is an apocalyptic number.

628862 is a deficient number, since it is larger than the sum of its proper divisors (459274).

628862 is a wasteful number, since it uses less digits than its factorization.

628862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 101 counting only the distinct ones).

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

The square root of 628862 is about 793.0081966789. The cubic root of 628862 is about 85.6745405680.

The spelling of 628862 in words is "six hundred twenty-eight thousand, eight hundred sixty-two".