860047 has 4 divisors (see below), whose sum is σ = 910656. Its totient is φ = 809440.

The previous prime is 860029. The next prime is 860051. The reversal of 860047 is 740068.

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 860047 - 2⁷ = 859919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25279 + ... + 25312.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

2⁸⁶⁰⁰⁴⁷ is an apocalyptic number.

860047 is a deficient number, since it is larger than the sum of its proper divisors (50609).

860047 is a wasteful number, since it uses less digits than its factorization.

860047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50608.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 860047 is about 927.3871899051. The cubic root of 860047 is about 95.0985864836.

The spelling of 860047 in words is "eight hundred sixty thousand, forty-seven".