860851 has 4 divisors (see below), whose sum is σ = 866704. Its totient is φ = 855000.

The previous prime is 860843. The next prime is 860861. The reversal of 860851 is 158068.

860851 = 75³ + 76³.

It is a happy number.

860851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 860851 - 2³ = 860843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860861) 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, 2700 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (216676).

2⁸⁶⁰⁸⁵¹ is an apocalyptic number.

860851 is a deficient number, since it is larger than the sum of its proper divisors (5853).

860851 is a wasteful number, since it uses less digits than its factorization.

860851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 860851 is about 927.8205645490. The cubic root of 860851 is about 95.1282110081.

It can be divided in two parts, 860 and 851, that added together give a triangular number (1711 = T₅₈).

The spelling of 860851 in words is "eight hundred sixty thousand, eight hundred fifty-one".