860969 has 2 divisors, whose sum is σ = 860970. Its totient is φ = 860968.

The previous prime is 860957. The next prime is 860971. The reversal of 860969 is 969068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506944 + 354025 = 712^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860969 is a prime.

It is a super-2 number, since 2×860969² = 1482535237922, which contains 22 as substring.

Together with 860971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (860929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430484 + 430485.

It is an arithmetic number, because the mean of its divisors is an integer number (430485).

2⁸⁶⁰⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

860969 is a deficient number, since it is larger than the sum of its proper divisors (1).

860969 is an equidigital number, since it uses as much as digits as its factorization.

860969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 860969 is about 927.8841522518. The cubic root of 860969 is about 95.1325573336.

The spelling of 860969 in words is "eight hundred sixty thousand, nine hundred sixty-nine".