404667416 has 8 divisors (see below), whose sum is σ = 758751420. Its totient is φ = 202333704.

The previous prime is 404667401. The next prime is 404667427. The reversal of 404667416 is 614766404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 404667416.

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 as a sum of consecutive naturals, namely, 25291706 + ... + 25291721.

Almost surely, 2^404667416 is an apocalyptic number.

It is an amenable number.

404667416 is a deficient number, since it is larger than the sum of its proper divisors (354084004).

404667416 is a wasteful number, since it uses less digits than its factorization.

404667416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50583433 (or 50583429 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 404667416 is about 20116.3469844801. The cubic root of 404667416 is about 739.6610427189.

The spelling of 404667416 in words is "four hundred four million, six hundred sixty-seven thousand, four hundred sixteen".