860605 has 8 divisors (see below), whose sum is σ = 1087200. Its totient is φ = 652176.

The previous prime is 860599. The next prime is 860609. The reversal of 860605 is 506068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 860605 - 2¹⁵ = 827837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 860605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860609) 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 in 7 ways as a sum of consecutive naturals, for example, 4435 + ... + 4624.

It is an arithmetic number, because the mean of its divisors is an integer number (135900).

2⁸⁶⁰⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

860605 is a deficient number, since it is larger than the sum of its proper divisors (226595).

860605 is a wasteful number, since it uses less digits than its factorization.

860605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 860605 is about 927.6879863402. The cubic root of 860605 is about 95.1191487471.

The spelling of 860605 in words is "eight hundred sixty thousand, six hundred five".