406163 has 4 divisors (see below), whose sum is σ = 427560. Its totient is φ = 384768.

The previous prime is 406123. The next prime is 406169. The reversal of 406163 is 361604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406169) 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, 10670 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (106890).

2⁴⁰⁶¹⁶³ is an apocalyptic number.

406163 is a deficient number, since it is larger than the sum of its proper divisors (21397).

406163 is a wasteful number, since it uses less digits than its factorization.

406163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 406163 is about 637.3091871298. The cubic root of 406163 is about 74.0571144167.

Adding to 406163 its reverse (361604), we get a palindrome (767767).

The spelling of 406163 in words is "four hundred six thousand, one hundred sixty-three".