404929 has 4 divisors (see below), whose sum is σ = 462784. Its totient is φ = 347076.

The previous prime is 404851. The next prime is 404941. The reversal of 404929 is 929404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404929 - 2¹¹ = 402881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404897 and 404906.

It is not an unprimeable number, because it can be changed into a prime (404959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28917 + ... + 28930.

It is an arithmetic number, because the mean of its divisors is an integer number (115696).

2⁴⁰⁴⁹²⁹ is an apocalyptic number.

It is an amenable number.

404929 is a deficient number, since it is larger than the sum of its proper divisors (57855).

404929 is an equidigital number, since it uses as much as digits as its factorization.

404929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57854.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 404929 is about 636.3403177546. The cubic root of 404929 is about 73.9820384943.

The spelling of 404929 in words is "four hundred four thousand, nine hundred twenty-nine".