260946839 has 2 divisors, whose sum is σ = 260946840. Its totient is φ = 260946838.

The previous prime is 260946827. The next prime is 260946853. The reversal of 260946839 is 938649062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260946839 - 2⁴ = 260946823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 260946793 and 260946802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260946859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130473419 + 130473420.

It is an arithmetic number, because the mean of its divisors is an integer number (130473420).

Almost surely, 2^260946839 is an apocalyptic number.

260946839 is a deficient number, since it is larger than the sum of its proper divisors (1).

260946839 is an equidigital number, since it uses as much as digits as its factorization.

260946839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 260946839 is about 16153.8490459704. The cubic root of 260946839 is about 639.0242610362.

The spelling of 260946839 in words is "two hundred sixty million, nine hundred forty-six thousand, eight hundred thirty-nine".