312001828 has 12 divisors (see below), whose sum is σ = 549668700. Its totient is φ = 154953632.

The previous prime is 312001817. The next prime is 312001829. The reversal of 312001828 is 828100213.

It can be written as a sum of positive squares in 2 ways, for example, as 189943524 + 122058304 = 13782^2 + 11048^2 .

It is not an unprimeable number, because it can be changed into a prime (312001829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261151 + ... + 262342.

It is an arithmetic number, because the mean of its divisors is an integer number (45805725).

Almost surely, 2^312001828 is an apocalyptic number.

It is an amenable number.

312001828 is a deficient number, since it is larger than the sum of its proper divisors (237666872).

312001828 is a wasteful number, since it uses less digits than its factorization.

312001828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523646 (or 523644 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 312001828 is about 17663.5734776404. The cubic root of 312001828 is about 678.2436132016.

The spelling of 312001828 in words is "three hundred twelve million, one thousand, eight hundred twenty-eight".