404066471 has 2 divisors, whose sum is σ = 404066472. Its totient is φ = 404066470.

The previous prime is 404066449. The next prime is 404066491. The reversal of 404066471 is 174660404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404066471 - 2¹⁰ = 404065447 is a prime.

It is a super-3 number, since 3×404066471³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404066441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202033235 + 202033236.

It is an arithmetic number, because the mean of its divisors is an integer number (202033236).

Almost surely, 2^404066471 is an apocalyptic number.

404066471 is a deficient number, since it is larger than the sum of its proper divisors (1).

404066471 is an equidigital number, since it uses as much as digits as its factorization.

404066471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 404066471 is about 20101.4047021595. The cubic root of 404066471 is about 739.2947206481.

The spelling of 404066471 in words is "four hundred four million, sixty-six thousand, four hundred seventy-one".