423926 has 8 divisors (see below), whose sum is σ = 641280. Its totient is φ = 210168.

The previous prime is 423887. The next prime is 423931. The reversal of 423926 is 629324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423895 and 423904.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423926.

It is an unprimeable number.

423926 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 3 ways as a sum of consecutive naturals, for example, 581 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (80160).

2⁴²³⁹²⁶ is an apocalyptic number.

423926 is a deficient number, since it is larger than the sum of its proper divisors (217354).

423926 is a wasteful number, since it uses less digits than its factorization.

423926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its digits is 2592, while the sum is 26.

The square root of 423926 is about 651.0959990662. The cubic root of 423926 is about 75.1213443090.

The spelling of 423926 in words is "four hundred twenty-three thousand, nine hundred twenty-six".