276628 has 12 divisors (see below), whose sum is σ = 528192. Its totient is φ = 125720.

The previous prime is 276623. The next prime is 276629. The reversal of 276628 is 826672.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 276628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3100 + ... + 3187.

It is an arithmetic number, because the mean of its divisors is an integer number (44016).

2²⁷⁶⁶²⁸ is an apocalyptic number.

It is an amenable number.

276628 is a deficient number, since it is larger than the sum of its proper divisors (251564).

276628 is a wasteful number, since it uses less digits than its factorization.

276628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302 (or 6300 counting only the distinct ones).

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

The square root of 276628 is about 525.9543706445. The cubic root of 276628 is about 65.1576449668.

The spelling of 276628 in words is "two hundred seventy-six thousand, six hundred twenty-eight".