923908 has 6 divisors (see below), whose sum is σ = 1616846. Its totient is φ = 461952.

The previous prime is 923903. The next prime is 923917. The reversal of 923908 is 809329.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 589824 + 334084 = 768^2 + 578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 923908.

It is not an unprimeable number, because it can be changed into a prime (923903) by changing a digit.

923908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115485 + ... + 115492.

2⁹²³⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

923908 is a deficient number, since it is larger than the sum of its proper divisors (692938).

923908 is a wasteful number, since it uses less digits than its factorization.

923908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230981 (or 230979 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 923908 is about 961.2013316678. The cubic root of 923908 is about 97.3964010268.

The spelling of 923908 in words is "nine hundred twenty-three thousand, nine hundred eight".