868603 has 2 divisors, whose sum is σ = 868604. Its totient is φ = 868602.

The previous prime is 868583. The next prime is 868613. The reversal of 868603 is 306868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868603 - 2¹⁷ = 737531 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (868613) 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, 434301 + 434302.

It is an arithmetic number, because the mean of its divisors is an integer number (434302).

2⁸⁶⁸⁶⁰³ is an apocalyptic number.

868603 is a deficient number, since it is larger than the sum of its proper divisors (1).

868603 is an equidigital number, since it uses as much as digits as its factorization.

868603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 868603 is about 931.9887338375. The cubic root of 868603 is about 95.4129026905.

The spelling of 868603 in words is "eight hundred sixty-eight thousand, six hundred three".