404008408 has 16 divisors (see below), whose sum is σ = 758977560. Its totient is φ = 201614400.

The previous prime is 404008387. The next prime is 404008411. The reversal of 404008408 is 804800404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44298 + ... + 52633.

Almost surely, 2^404008408 is an apocalyptic number.

It is an amenable number.

404008408 is a deficient number, since it is larger than the sum of its proper divisors (354969152).

404008408 is a wasteful number, since it uses less digits than its factorization.

404008408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97458 (or 97454 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 404008408 is about 20099.9603979709. The cubic root of 404008408 is about 739.2593075592.

The spelling of 404008408 in words is "four hundred four million, eight thousand, four hundred eight".