864967 has 2 divisors, whose sum is σ = 864968. Its totient is φ = 864966.

The previous prime is 864959. The next prime is 864979. The reversal of 864967 is 769468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864967 - 2³ = 864959 is a prime.

It is a super-2 number, since 2×864967² = 1496335822178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432483 + 432484.

It is an arithmetic number, because the mean of its divisors is an integer number (432484).

2⁸⁶⁴⁹⁶⁷ is an apocalyptic number.

864967 is a deficient number, since it is larger than the sum of its proper divisors (1).

864967 is an equidigital number, since it uses as much as digits as its factorization.

864967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 864967 is about 930.0360208078. The cubic root of 864967 is about 95.2795826668.

The spelling of 864967 in words is "eight hundred sixty-four thousand, nine hundred sixty-seven".