406946163 has 16 divisors (see below), whose sum is σ = 596768256. Its totient is φ = 245099040.

The previous prime is 406946147. The next prime is 406946171. The reversal of 406946163 is 361649604.

It is not a de Polignac number, because 406946163 - 2⁴ = 406946147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (406946173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109173 + ... + 112838.

It is an arithmetic number, because the mean of its divisors is an integer number (37298016).

Almost surely, 2^406946163 is an apocalyptic number.

406946163 is a deficient number, since it is larger than the sum of its proper divisors (189822093).

406946163 is a wasteful number, since it uses less digits than its factorization.

406946163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222074.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 406946163 is about 20172.9066571974. The cubic root of 406946163 is about 741.0468280182.

The spelling of 406946163 in words is "four hundred six million, nine hundred forty-six thousand, one hundred sixty-three".