860312 has 16 divisors (see below), whose sum is σ = 1665600. Its totient is φ = 416160.

The previous prime is 860311. The next prime is 860317. The reversal of 860312 is 213068.

It is a super-3 number, since 3×860312³ = 1910245550333673984, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (104100).

2⁸⁶⁰³¹² is an apocalyptic number.

It is an amenable number.

860312 is a deficient number, since it is larger than the sum of its proper divisors (805288).

860312 is a wasteful number, since it uses less digits than its factorization.

860312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 860312 is about 927.5300534215. The cubic root of 860312 is about 95.1083528248.

The spelling of 860312 in words is "eight hundred sixty thousand, three hundred twelve".