2317928 has 8 divisors (see below), whose sum is σ = 4346130. Its totient is φ = 1158960.

The previous prime is 2317927. The next prime is 2317951. The reversal of 2317928 is 8297132.

2317928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2316484 + 1444 = 1522^2 + 38^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2317894 and 2317903.

It is not an unprimeable number, because it can be changed into a prime (2317921) 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 as a sum of consecutive naturals, namely, 144863 + ... + 144878.

2^2317928 is an apocalyptic number.

It is an amenable number.

2317928 is a deficient number, since it is larger than the sum of its proper divisors (2028202).

2317928 is a wasteful number, since it uses less digits than its factorization.

2317928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289747 (or 289743 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2317928 is about 1522.4743019178. The cubic root of 2317928 is about 132.3426969132.

The spelling of 2317928 in words is "two million, three hundred seventeen thousand, nine hundred twenty-eight".