923418 has 36 divisors (see below), whose sum is σ = 2106078. Its totient is φ = 292320.

The previous prime is 923411. The next prime is 923437. The reversal of 923418 is 814329.

923418 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 3 ways, for example, as 567009 + 356409 = 753^2 + 597^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 923391 and 923400.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 923418.

It is not an unprimeable number, because it can be changed into a prime (923411) by changing a digit.

923418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15108 + ... + 15168.

2⁹²³⁴¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053039).

923418 is an abundant number, since it is smaller than the sum of its proper divisors (1182660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923418 is a wasteful number, since it uses less digits than its factorization.

923418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 95 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 923418 is about 960.9464084953. The cubic root of 923418 is about 97.3791797321.

The spelling of 923418 in words is "nine hundred twenty-three thousand, four hundred eighteen".