312946428 has 24 divisors (see below), whose sum is σ = 738415440. Its totient is φ = 103143040.

The previous prime is 312946427. The next prime is 312946451. The reversal of 312946428 is 824649213.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312946423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145443 + ... + 147578.

It is an arithmetic number, because the mean of its divisors is an integer number (30767310).

Almost surely, 2^312946428 is an apocalyptic number.

It is an amenable number.

312946428 is an abundant number, since it is smaller than the sum of its proper divisors (425469012).

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

312946428 is a wasteful number, since it uses less digits than its factorization.

312946428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293117 (or 293115 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 312946428 is about 17690.2919139284. The cubic root of 312946428 is about 678.9273949333.

The spelling of 312946428 in words is "three hundred twelve million, nine hundred forty-six thousand, four hundred twenty-eight".