860807 has 4 divisors (see below), whose sum is σ = 890520. Its totient is φ = 831096.

The previous prime is 860791. The next prime is 860809. The reversal of 860807 is 708068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 860807 - 2⁴ = 860791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 29683 = 860807 / (8 + 6 + 0 + 8 + 0 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 860807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14813 + ... + 14870.

It is an arithmetic number, because the mean of its divisors is an integer number (222630).

2⁸⁶⁰⁸⁰⁷ is an apocalyptic number.

860807 is a deficient number, since it is larger than the sum of its proper divisors (29713).

860807 is a wasteful number, since it uses less digits than its factorization.

860807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29712.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 860807 is about 927.7968527647. The cubic root of 860807 is about 95.1265902427.

The spelling of 860807 in words is "eight hundred sixty thousand, eight hundred seven".