312418 has 8 divisors (see below), whose sum is σ = 483840. Its totient is φ = 151140.

The previous prime is 312413. The next prime is 312427. The reversal of 312418 is 814213.

312418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 312395 and 312404.

It is not an unprimeable number, because it can be changed into a prime (312413) 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, 2458 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2³¹²⁴¹⁸ is an apocalyptic number.

312418 is a deficient number, since it is larger than the sum of its proper divisors (171422).

312418 is a wasteful number, since it uses less digits than its factorization.

312418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

The product of its digits is 192, while the sum is 19.

The square root of 312418 is about 558.9436465334. The cubic root of 312418 is about 67.8545043691.

It can be divided in two parts, 3 and 12418, that added together give a palindrome (12421).

The spelling of 312418 in words is "three hundred twelve thousand, four hundred eighteen".