628276 has 24 divisors (see below), whose sum is σ = 1219680. Its totient is φ = 280800.

The previous prime is 628267. The next prime is 628289. The reversal of 628276 is 672826.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

628276 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (50820).

2⁶²⁸²⁷⁶ is an apocalyptic number.

It is an amenable number.

628276 is a deficient number, since it is larger than the sum of its proper divisors (591404).

628276 is a wasteful number, since it uses less digits than its factorization.

628276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 253 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 628276 is about 792.6386314078. The cubic root of 628276 is about 85.6479205871.

It can be divided in two parts, 62 and 8276, that added together give a palindrome (8338).

The spelling of 628276 in words is "six hundred twenty-eight thousand, two hundred seventy-six".