276230939 has 2 divisors, whose sum is σ = 276230940. Its totient is φ = 276230938.

The previous prime is 276230921. The next prime is 276230953. The reversal of 276230939 is 939032672.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276230939 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 276230896 and 276230905.

It is not a weakly prime, because it can be changed into another prime (276230959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138115469 + 138115470.

It is an arithmetic number, because the mean of its divisors is an integer number (138115470).

Almost surely, 2^276230939 is an apocalyptic number.

276230939 is a deficient number, since it is larger than the sum of its proper divisors (1).

276230939 is an equidigital number, since it uses as much as digits as its factorization.

276230939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 276230939 is about 16620.1967196541. The cubic root of 276230939 is about 651.2645512840.

The spelling of 276230939 in words is "two hundred seventy-six million, two hundred thirty thousand, nine hundred thirty-nine".