864927 has 12 divisors (see below), whose sum is σ = 1427920. Its totient is φ = 494208.

The previous prime is 864917. The next prime is 864947. The reversal of 864927 is 729468.

864927 is a `hidden beast` number, since 8 + 649 + 2 + 7 = 666.

It is not a de Polignac number, because 864927 - 2⁴ = 864911 is a prime.

It is a Duffinian number.

864927 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 864891 and 864900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6802 + ... + 6927.

2⁸⁶⁴⁹²⁷ is an apocalyptic number.

864927 is a deficient number, since it is larger than the sum of its proper divisors (562993).

864927 is a wasteful number, since it uses less digits than its factorization.

864927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13742 (or 13739 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 864927 is about 930.0145160157. The cubic root of 864927 is about 95.2781139240.

The spelling of 864927 in words is "eight hundred sixty-four thousand, nine hundred twenty-seven".