860406 has 8 divisors (see below), whose sum is σ = 1720824. Its totient is φ = 286800.

The previous prime is 860399. The next prime is 860413. The reversal of 860406 is 604068.

860406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (860399) and next prime (860413).

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

860406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

860406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71695 + ... + 71706.

It is an arithmetic number, because the mean of its divisors is an integer number (215103).

2⁸⁶⁰⁴⁰⁶ is an apocalyptic number.

860406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

860406 is a wasteful number, since it uses less digits than its factorization.

860406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143406.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 860406 is about 927.5807242499. The cubic root of 860406 is about 95.1118166301. Note that the first 3 decimals are identical.

The spelling of 860406 in words is "eight hundred sixty thousand, four hundred six".