404380417 has 8 divisors (see below), whose sum is σ = 473421312. Its totient is φ = 338157600.

The previous prime is 404380409. The next prime is 404380423. The reversal of 404380417 is 714083404.

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

It is a cyclic number.

It is not a de Polignac number, because 404380417 - 2³ = 404380409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404380447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 704209 + ... + 704782.

It is an arithmetic number, because the mean of its divisors is an integer number (59177664).

Almost surely, 2^404380417 is an apocalyptic number.

It is an amenable number.

404380417 is a deficient number, since it is larger than the sum of its proper divisors (69040895).

404380417 is a wasteful number, since it uses less digits than its factorization.

404380417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409039.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 404380417 is about 20109.2122421541. The cubic root of 404380417 is about 739.4861400902.

The spelling of 404380417 in words is "four hundred four million, three hundred eighty thousand, four hundred seventeen".