312448 has 16 divisors (see below), whose sum is σ = 622710. Its totient is φ = 156160.

The previous prime is 312427. The next prime is 312451. The reversal of 312448 is 844213.

It can be written as a sum of positive squares in only one way, i.e., 304704 + 7744 = 552^2 + 88^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093 + ... + 1348.

2³¹²⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

312448 is a deficient number, since it is larger than the sum of its proper divisors (310262).

312448 is an equidigital number, since it uses as much as digits as its factorization.

312448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455 (or 2443 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 312448 is about 558.9704822260. The cubic root of 312448 is about 67.8566762136.

The spelling of 312448 in words is "three hundred twelve thousand, four hundred forty-eight".