312263648 has 24 divisors (see below), whose sum is σ = 635969880. Its totient is φ = 150747520.

The previous prime is 312263647. The next prime is 312263657. The reversal of 312263648 is 846362213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312263641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167318 + ... + 169173.

It is an arithmetic number, because the mean of its divisors is an integer number (26498745).

Almost surely, 2^312263648 is an apocalyptic number.

It is an amenable number.

312263648 is an abundant number, since it is smaller than the sum of its proper divisors (323706232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312263648 is a wasteful number, since it uses less digits than its factorization.

312263648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336530 (or 336522 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 312263648 is about 17670.9832210887. The cubic root of 312263648 is about 678.4332788573.

The spelling of 312263648 in words is "three hundred twelve million, two hundred sixty-three thousand, six hundred forty-eight".