404442341 has 16 divisors (see below), whose sum is σ = 434471040. Its totient is φ = 375359040.

The previous prime is 404442289. The next prime is 404442343. The reversal of 404442341 is 143244404.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404442341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404442341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404442343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232511 + ... + 234243.

It is an arithmetic number, because the mean of its divisors is an integer number (27154440).

Almost surely, 2^404442341 is an apocalyptic number.

It is an amenable number.

404442341 is a deficient number, since it is larger than the sum of its proper divisors (30028699).

404442341 is a wasteful number, since it uses less digits than its factorization.

404442341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 404442341 is about 20110.7518755515. The cubic root of 404442341 is about 739.5238847490.

Adding to 404442341 its reverse (143244404), we get a palindrome (547686745).

The spelling of 404442341 in words is "four hundred four million, four hundred forty-two thousand, three hundred forty-one".