404067 has 6 divisors (see below), whose sum is σ = 540228. Its totient is φ = 268644.

The previous prime is 404051. The next prime is 404081. The reversal of 404067 is 760404.

It is not a de Polignac number, because 404067 - 2⁴ = 404051 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 404067.

It is not an unprimeable number, because it can be changed into a prime (404017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (90038).

2⁴⁰⁴⁰⁶⁷ is an apocalyptic number.

404067 is a deficient number, since it is larger than the sum of its proper divisors (136161).

404067 is an frugal number, since it uses more digits than its factorization.

404067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 404067 is about 635.6626463778. The cubic root of 404067 is about 73.9295043274.

The spelling of 404067 in words is "four hundred four thousand, sixty-seven".