404271647 has 8 divisors (see below), whose sum is σ = 436045344. Its totient is φ = 372594528.

The previous prime is 404271641. The next prime is 404271671. The reversal of 404271647 is 746172404.

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 404271647 - 2¹⁰ = 404270623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404271641) 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, 15323 + ... + 32300.

It is an arithmetic number, because the mean of its divisors is an integer number (54505668).

Almost surely, 2^404271647 is an apocalyptic number.

404271647 is a deficient number, since it is larger than the sum of its proper divisors (31773697).

404271647 is a wasteful number, since it uses less digits than its factorization.

404271647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48289.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 404271647 is about 20106.5075783936. The cubic root of 404271647 is about 739.4198319665.

The spelling of 404271647 in words is "four hundred four million, two hundred seventy-one thousand, six hundred forty-seven".