406923 has 24 divisors (see below), whose sum is σ = 638400. Its totient is φ = 229680.

The previous prime is 406907. The next prime is 406951. The reversal of 406923 is 329604.

It is not a de Polignac number, because 406923 - 2⁴ = 406907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406893 and 406902.

It is not an unprimeable number, because it can be changed into a prime (406993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6868 + ... + 6926.

It is an arithmetic number, because the mean of its divisors is an integer number (26600).

2⁴⁰⁶⁹²³ is an apocalyptic number.

406923 is a deficient number, since it is larger than the sum of its proper divisors (231477).

406923 is a wasteful number, since it uses less digits than its factorization.

406923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 406923 is about 637.9051653655. The cubic root of 406923 is about 74.1032767851.

The spelling of 406923 in words is "four hundred six thousand, nine hundred twenty-three".