312387848 has 8 divisors (see below), whose sum is σ = 585727230. Its totient is φ = 156193920.

The previous prime is 312387841. The next prime is 312387851. The reversal of 312387848 is 848783213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 292478404 + 19909444 = 17102^2 + 4462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×312387848² = 195172335156142208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312387799 and 312387808.

It is not an unprimeable number, because it can be changed into a prime (312387841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19524233 + ... + 19524248.

Almost surely, 2^312387848 is an apocalyptic number.

It is an amenable number.

312387848 is a deficient number, since it is larger than the sum of its proper divisors (273339382).

312387848 is a wasteful number, since it uses less digits than its factorization.

312387848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39048487 (or 39048483 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 312387848 is about 17674.4971074144. The cubic root of 312387848 is about 678.5232138047.

The spelling of 312387848 in words is "three hundred twelve million, three hundred eighty-seven thousand, eight hundred forty-eight".