868937 has 2 divisors, whose sum is σ = 868938. Its totient is φ = 868936.

The previous prime is 868909. The next prime is 868939. The reversal of 868937 is 739868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495616 + 373321 = 704^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 868937 - 2⁶ = 868873 is a prime.

Together with 868939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 868894 and 868903.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868937.

It is not a weakly prime, because it can be changed into another prime (868939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434468 + 434469.

It is an arithmetic number, because the mean of its divisors is an integer number (434469).

2⁸⁶⁸⁹³⁷ is an apocalyptic number.

It is an amenable number.

868937 is a deficient number, since it is larger than the sum of its proper divisors (1).

868937 is an equidigital number, since it uses as much as digits as its factorization.

868937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 868937 is about 932.1679033307. The cubic root of 868937 is about 95.4251306879.

The spelling of 868937 in words is "eight hundred sixty-eight thousand, nine hundred thirty-seven".