404194 has 8 divisors (see below), whose sum is σ = 692928. Its totient is φ = 173220.

The previous prime is 404191. The next prime is 404197. The reversal of 404194 is 491404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404191) and next prime (404197).

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

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (404191) 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, 14422 + ... + 14449.

It is an arithmetic number, because the mean of its divisors is an integer number (86616).

2⁴⁰⁴¹⁹⁴ is an apocalyptic number.

404194 is a deficient number, since it is larger than the sum of its proper divisors (288734).

404194 is a wasteful number, since it uses less digits than its factorization.

404194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28880.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 404194 is about 635.7625342846. The cubic root of 404194 is about 73.9372489700.

Adding to 404194 its reverse (491404), we get a palindrome (895598).

The spelling of 404194 in words is "four hundred four thousand, one hundred ninety-four".