860245 has 4 divisors (see below), whose sum is σ = 1032300. Its totient is φ = 688192.

The previous prime is 860239. The next prime is 860257. The reversal of 860245 is 542068.

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

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 321489 = 734^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 860245 - 2⁷ = 860117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86020 + ... + 86029.

It is an arithmetic number, because the mean of its divisors is an integer number (258075).

2⁸⁶⁰²⁴⁵ is an apocalyptic number.

It is an amenable number.

860245 is a deficient number, since it is larger than the sum of its proper divisors (172055).

860245 is a wasteful number, since it uses less digits than its factorization.

860245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172054.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 860245 is about 927.4939352901. The cubic root of 860245 is about 95.1058837884.

The spelling of 860245 in words is "eight hundred sixty thousand, two hundred forty-five".