404605223 has 8 divisors (see below), whose sum is σ = 443149056. Its totient is φ = 366355000.

The previous prime is 404605217. The next prime is 404605277. The reversal of 404605223 is 322506404.

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

It is not a de Polignac number, because 404605223 - 2⁴ = 404605207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404605192 and 404605201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404605823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70511 + ... + 76032.

It is an arithmetic number, because the mean of its divisors is an integer number (55393632).

Almost surely, 2^404605223 is an apocalyptic number.

404605223 is a deficient number, since it is larger than the sum of its proper divisors (38543833).

404605223 is a wasteful number, since it uses less digits than its factorization.

404605223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146805.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 404605223 is about 20114.8010927277. The cubic root of 404605223 is about 739.6231481465.

The spelling of 404605223 in words is "four hundred four million, six hundred five thousand, two hundred twenty-three".