406011343 has 2 divisors, whose sum is σ = 406011344. Its totient is φ = 406011342.

The previous prime is 406011317. The next prime is 406011401. The reversal of 406011343 is 343110604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406011343 - 2⁵ = 406011311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406011043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203005671 + 203005672.

It is an arithmetic number, because the mean of its divisors is an integer number (203005672).

Almost surely, 2^406011343 is an apocalyptic number.

406011343 is a deficient number, since it is larger than the sum of its proper divisors (1).

406011343 is an equidigital number, since it uses as much as digits as its factorization.

406011343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 406011343 is about 20149.7231494629. The cubic root of 406011343 is about 740.4789588621.

Adding to 406011343 its reverse (343110604), we get a palindrome (749121947).

The spelling of 406011343 in words is "four hundred six million, eleven thousand, three hundred forty-three".