404192 has 24 divisors (see below), whose sum is σ = 843696. Its totient is φ = 189952.

The previous prime is 404191. The next prime is 404197. The reversal of 404192 is 291404.

404192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 173 + ... + 915.

It is an arithmetic number, because the mean of its divisors is an integer number (35154).

2⁴⁰⁴¹⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421848).

404192 is an abundant number, since it is smaller than the sum of its proper divisors (439504).

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

404192 is a wasteful number, since it uses less digits than its factorization.

404192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 404192 is about 635.7609613683. The cubic root of 404192 is about 73.9371270197.

Adding to 404192 its reverse (291404), we get a palindrome (695596).

The spelling of 404192 in words is "four hundred four thousand, one hundred ninety-two".