404312441 has 8 divisors (see below), whose sum is σ = 440926080. Its totient is φ = 368486352.

The previous prime is 404312437. The next prime is 404312527. The reversal of 404312441 is 144213404.

It is a happy number.

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

It is not a de Polignac number, because 404312441 - 2² = 404312437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404312401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195815 + ... + 197868.

It is an arithmetic number, because the mean of its divisors is an integer number (55115760).

Almost surely, 2^404312441 is an apocalyptic number.

It is an amenable number.

404312441 is a deficient number, since it is larger than the sum of its proper divisors (36613639).

404312441 is a wasteful number, since it uses less digits than its factorization.

404312441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393775.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404312441 is about 20107.5220004853. The cubic root of 404312441 is about 739.4447021071. Note that the first 3 decimals are identical.

Adding to 404312441 its reverse (144213404), we get a palindrome (548525845).

The spelling of 404312441 in words is "four hundred four million, three hundred twelve thousand, four hundred forty-one".