404842271 has 8 divisors (see below), whose sum is σ = 416598864. Its totient is φ = 393128640.

The previous prime is 404842259. The next prime is 404842303. The reversal of 404842271 is 172248404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404842271 - 2¹⁴ = 404825887 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 (404842201) 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, 8891 + ... + 29811.

It is an arithmetic number, because the mean of its divisors is an integer number (52074858).

Almost surely, 2^404842271 is an apocalyptic number.

404842271 is a deficient number, since it is larger than the sum of its proper divisors (11756593).

404842271 is a wasteful number, since it uses less digits than its factorization.

404842271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21481.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 404842271 is about 20120.6926073632. The cubic root of 404842271 is about 739.7675621328.

The spelling of 404842271 in words is "four hundred four million, eight hundred forty-two thousand, two hundred seventy-one".