404947271 has 8 divisors (see below), whose sum is σ = 419515200. Its totient is φ = 390419680.

The previous prime is 404947237. The next prime is 404947273. The reversal of 404947271 is 172749404.

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 404947271 - 2¹⁰ = 404946247 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 (404947273) 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, 11141 + ... + 30561.

It is an arithmetic number, because the mean of its divisors is an integer number (52439400).

Almost surely, 2^404947271 is an apocalyptic number.

404947271 is a deficient number, since it is larger than the sum of its proper divisors (14567929).

404947271 is a wasteful number, since it uses less digits than its factorization.

404947271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20169.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 404947271 is about 20123.3016923168. The cubic root of 404947271 is about 739.8315120422.

The spelling of 404947271 in words is "four hundred four million, nine hundred forty-seven thousand, two hundred seventy-one".