406471171 has 4 divisors (see below), whose sum is σ = 416385144. Its totient is φ = 396557200.

The previous prime is 406471127. The next prime is 406471183. The reversal of 406471171 is 171174604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406471171 - 2¹⁹ = 405946883 is a prime.

It is a super-2 number, since 2×406471171² = 330437625708222482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406471271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956925 + ... + 4957006.

It is an arithmetic number, because the mean of its divisors is an integer number (104096286).

Almost surely, 2^406471171 is an apocalyptic number.

406471171 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

406471171 is a deficient number, since it is larger than the sum of its proper divisors (9913973).

406471171 is an equidigital number, since it uses as much as digits as its factorization.

406471171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913972.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 406471171 is about 20161.1302014545. The cubic root of 406471171 is about 740.7583964555.

The spelling of 406471171 in words is "four hundred six million, four hundred seventy-one thousand, one hundred seventy-one".