406056171 has 24 divisors (see below), whose sum is σ = 561613824. Its totient is φ = 260910160.

The previous prime is 406056143. The next prime is 406056221. The reversal of 406056171 is 171650604.

It is not a de Polignac number, because 406056171 - 2⁵ = 406056139 is a prime.

It is a super-2 number, since 2×406056171² = 329763228014362482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406056571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470086 + ... + 470948.

It is an arithmetic number, because the mean of its divisors is an integer number (23400576).

Almost surely, 2^406056171 is an apocalyptic number.

406056171 is a deficient number, since it is larger than the sum of its proper divisors (155557653).

406056171 is an equidigital number, since it uses as much as digits as its factorization.

406056171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 406056171 is about 20150.8354913636. The cubic root of 406056171 is about 740.5062101279.

The spelling of 406056171 in words is "four hundred six million, fifty-six thousand, one hundred seventy-one".