404094 has 8 divisors (see below), whose sum is σ = 808200. Its totient is φ = 134696.

The previous prime is 404081. The next prime is 404099. The reversal of 404094 is 490404.

It is a happy number.

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

404094 is an admirable number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 404094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404099) by changing a digit.

404094 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33669 + ... + 33680.

It is an arithmetic number, because the mean of its divisors is an integer number (101025).

2⁴⁰⁴⁰⁹⁴ is an apocalyptic number.

404094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404094 is a wasteful number, since it uses less digits than its factorization.

404094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67354.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 404094 is about 635.6838837032. The cubic root of 404094 is about 73.9311509620.

Adding to 404094 its reverse (490404), we get a palindrome (894498).

The spelling of 404094 in words is "four hundred four thousand, ninety-four".