923945 has 16 divisors (see below), whose sum is σ = 1228608. Its totient is φ = 661440.

The previous prime is 923939. The next prime is 923947. The reversal of 923945 is 549329.

It is not a de Polignac number, because 923945 - 2⁴ = 923929 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 5807 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (76788).

2⁹²³⁹⁴⁵ is an apocalyptic number.

923945 is the 785-th pentagonal number.

It is an amenable number.

923945 is a deficient number, since it is larger than the sum of its proper divisors (304663).

923945 is a wasteful number, since it uses less digits than its factorization.

923945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its digits is 9720, while the sum is 32.

The square root of 923945 is about 961.2205782233. The cubic root of 923945 is about 97.3977011630.

The spelling of 923945 in words is "nine hundred twenty-three thousand, nine hundred forty-five".