276869 has 2 divisors, whose sum is σ = 276870. Its totient is φ = 276868.

The previous prime is 276847. The next prime is 276883. The reversal of 276869 is 968672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 62500 = 463^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 276869 - 2¹⁶ = 211333 is a prime.

It is a super-2 number, since 2×276869² = 153312886322, which contains 22 as substring.

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 276869.

It is not a weakly prime, because it can be changed into another prime (276839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138434 + 138435.

It is an arithmetic number, because the mean of its divisors is an integer number (138435).

2²⁷⁶⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

276869 is a deficient number, since it is larger than the sum of its proper divisors (1).

276869 is an equidigital number, since it uses as much as digits as its factorization.

276869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 276869 is about 526.1834280933. The cubic root of 276869 is about 65.1765613870.

The spelling of 276869 in words is "two hundred seventy-six thousand, eight hundred sixty-nine".