276966 has 32 divisors (see below), whose sum is σ = 645120. Its totient is φ = 87912.

The previous prime is 276961. The next prime is 276977. The reversal of 276966 is 669672.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 276966.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 276966.

It is not an unprimeable number, because it can be changed into a prime (276961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2²⁷⁶⁹⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322560).

276966 is an abundant number, since it is smaller than the sum of its proper divisors (368154).

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

276966 is a wasteful number, since it uses less digits than its factorization.

276966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 251 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 276966 is about 526.2755932019. The cubic root of 276966 is about 65.1841719517.

It can be divided in two parts, 27696 and 6, that multiplied together give a triangular number (166176 = T₅₇₆).

The spelling of 276966 in words is "two hundred seventy-six thousand, nine hundred sixty-six".