312248 has 16 divisors (see below), whose sum is σ = 611280. Its totient is φ = 149248.

The previous prime is 312241. The next prime is 312251. The reversal of 312248 is 842213.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312248.

It is not an unprimeable number, because it can be changed into a prime (312241) 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, 665 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (38205).

2³¹²²⁴⁸ is an apocalyptic number.

It is an amenable number.

312248 is a deficient number, since it is larger than the sum of its proper divisors (299032).

312248 is a wasteful number, since it uses less digits than its factorization.

312248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1722 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 312248 is about 558.7915532647. The cubic root of 312248 is about 67.8421946231.

The spelling of 312248 in words is "three hundred twelve thousand, two hundred forty-eight".