312386 has 8 divisors (see below), whose sum is σ = 489024. Its totient is φ = 149380.

The previous prime is 312383. The next prime is 312397. The reversal of 312386 is 683213.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (312383) 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, 3350 + ... + 3441.

It is an arithmetic number, because the mean of its divisors is an integer number (61128).

2³¹²³⁸⁶ is an apocalyptic number.

312386 is a deficient number, since it is larger than the sum of its proper divisors (176638).

312386 is a wasteful number, since it uses less digits than its factorization.

312386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816.

The product of its digits is 864, while the sum is 23.

The square root of 312386 is about 558.9150203743. The cubic root of 312386 is about 67.8521875817.

Adding to 312386 its reverse (683213), we get a palindrome (995599).

The spelling of 312386 in words is "three hundred twelve thousand, three hundred eighty-six".