406428179 has 2 divisors, whose sum is σ = 406428180. Its totient is φ = 406428178.

The previous prime is 406428161. The next prime is 406428181. The reversal of 406428179 is 971824604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406428179 is a prime.

Together with 406428181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (406428109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203214089 + 203214090.

It is an arithmetic number, because the mean of its divisors is an integer number (203214090).

Almost surely, 2^406428179 is an apocalyptic number.

406428179 is a deficient number, since it is larger than the sum of its proper divisors (1).

406428179 is an equidigital number, since it uses as much as digits as its factorization.

406428179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 406428179 is about 20160.0639631922. The cubic root of 406428179 is about 740.7322791397.

The spelling of 406428179 in words is "four hundred six million, four hundred twenty-eight thousand, one hundred seventy-nine".