923906 has 8 divisors (see below), whose sum is σ = 1408764. Its totient is φ = 454320.

The previous prime is 923903. The next prime is 923917. The reversal of 923906 is 609329.

It can be written as a sum of positive squares in 2 ways, for example, as 919681 + 4225 = 959^2 + 65^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 923906.

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

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 in 3 ways as a sum of consecutive naturals, for example, 3665 + ... + 3908.

2⁹²³⁹⁰⁶ is an apocalyptic number.

923906 is a deficient number, since it is larger than the sum of its proper divisors (484858).

923906 is a wasteful number, since it uses less digits than its factorization.

923906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 923906 is about 961.2002913025. The cubic root of 923906 is about 97.3963307482.

The spelling of 923906 in words is "nine hundred twenty-three thousand, nine hundred six".