406800171 has 16 divisors (see below), whose sum is σ = 603212320. Its totient is φ = 270954720.

The previous prime is 406800169. The next prime is 406800211. The reversal of 406800171 is 171008604.

It is a happy number.

It is not a de Polignac number, because 406800171 - 2¹ = 406800169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406800101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26541 + ... + 38961.

It is an arithmetic number, because the mean of its divisors is an integer number (37700770).

Almost surely, 2^406800171 is an apocalyptic number.

406800171 is a deficient number, since it is larger than the sum of its proper divisors (196412149).

406800171 is a wasteful number, since it uses less digits than its factorization.

406800171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13643 (or 13637 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 406800171 is about 20169.2878158848. The cubic root of 406800171 is about 740.9582005303.

Adding to 406800171 its reverse (171008604), we get a palindrome (577808775).

The spelling of 406800171 in words is "four hundred six million, eight hundred thousand, one hundred seventy-one".