276648 has 16 divisors (see below), whose sum is σ = 691680. Its totient is φ = 92208.

The previous prime is 276637. The next prime is 276671. The reversal of 276648 is 846672.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 276648.

It is an unprimeable number.

276648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 5740 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (43230).

2²⁷⁶⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

276648 is an abundant number, since it is smaller than the sum of its proper divisors (415032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276648 is a wasteful number, since it uses less digits than its factorization.

276648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11536 (or 11532 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 276648 is about 525.9733833570. The cubic root of 276648 is about 65.1592152122.

It can be divided in two parts, 27664 and 8, that added together give a palindrome (27672).

The spelling of 276648 in words is "two hundred seventy-six thousand, six hundred forty-eight".