923940 has 96 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 233856.

The previous prime is 923939. The next prime is 923947. The reversal of 923940 is 49329.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 923940.

It is not an unprimeable number, because it can be changed into a prime (923947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15631 + ... + 15689.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2⁹²³⁹⁴⁰ is an apocalyptic number.

923940 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512000).

923940 is an abundant number, since it is smaller than the sum of its proper divisors (2100060).

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

923940 is a wasteful number, since it uses less digits than its factorization.

923940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 923940 is about 961.2179773600. The cubic root of 923940 is about 97.3975254710.

The spelling of 923940 in words is "nine hundred twenty-three thousand, nine hundred forty".