923438 has 12 divisors (see below), whose sum is σ = 1463040. Its totient is φ = 437076.

The previous prime is 923437. The next prime is 923441. The reversal of 923438 is 834329.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 923438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923437) 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 5 ways as a sum of consecutive naturals, for example, 83 + ... + 1361.

It is an arithmetic number, because the mean of its divisors is an integer number (121920).

2⁹²³⁴³⁸ is an apocalyptic number.

923438 is a deficient number, since it is larger than the sum of its proper divisors (539602).

923438 is a wasteful number, since it uses less digits than its factorization.

923438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1300 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 923438 is about 960.9568148465. The cubic root of 923438 is about 97.3798827613.

The spelling of 923438 in words is "nine hundred twenty-three thousand, four hundred thirty-eight".