312920927 has 16 divisors (see below), whose sum is σ = 349691904. Its totient is φ = 277620000.

The previous prime is 312920891. The next prime is 312920941. The reversal of 312920927 is 729029213.

It is a cyclic number.

It is not a de Polignac number, because 312920927 - 2⁶ = 312920863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312920977) 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 15 ways as a sum of consecutive naturals, for example, 76898 + ... + 80864.

It is an arithmetic number, because the mean of its divisors is an integer number (21855744).

Almost surely, 2^312920927 is an apocalyptic number.

312920927 is a deficient number, since it is larger than the sum of its proper divisors (36770977).

312920927 is a wasteful number, since it uses less digits than its factorization.

312920927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 312920927 is about 17689.5711366895. The cubic root of 312920927 is about 678.9089532276.

The spelling of 312920927 in words is "three hundred twelve million, nine hundred twenty thousand, nine hundred twenty-seven".