408004417 has 8 divisors (see below), whose sum is σ = 415048832. Its totient is φ = 400971600.

The previous prime is 408004409. The next prime is 408004433. The reversal of 408004417 is 714400804.

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 408004417 - 2³ = 408004409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408004517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97192 + ... + 101302.

It is an arithmetic number, because the mean of its divisors is an integer number (51881104).

Almost surely, 2^408004417 is an apocalyptic number.

It is an amenable number.

408004417 is a deficient number, since it is larger than the sum of its proper divisors (7044415).

408004417 is a wasteful number, since it uses less digits than its factorization.

408004417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 408004417 is about 20199.1192134707. The cubic root of 408004417 is about 741.6886303361.

The spelling of 408004417 in words is "four hundred eight million, four thousand, four hundred seventeen".