276448 has 24 divisors (see below), whose sum is σ = 557928. Its totient is φ = 134784.

The previous prime is 276443. The next prime is 276449. The reversal of 276448 is 844672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276443) by changing a digit.

276448 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 3 ways as a sum of consecutive naturals, for example, 1615 + ... + 1777.

It is an arithmetic number, because the mean of its divisors is an integer number (23247).

2²⁷⁶⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278964).

276448 is an abundant number, since it is smaller than the sum of its proper divisors (281480).

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

276448 is a wasteful number, since it uses less digits than its factorization.

276448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 218 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 276448 is about 525.7832252935. The cubic root of 276448 is about 65.1435093517.

The spelling of 276448 in words is "two hundred seventy-six thousand, four hundred forty-eight".