406276859 has 2 divisors, whose sum is σ = 406276860. Its totient is φ = 406276858.

The previous prime is 406276841. The next prime is 406276873. The reversal of 406276859 is 958672604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406276859 - 2⁸ = 406276603 is a prime.

It is a super-3 number, since 3×406276859³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (406276879) 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, 203138429 + 203138430.

It is an arithmetic number, because the mean of its divisors is an integer number (203138430).

Almost surely, 2^406276859 is an apocalyptic number.

406276859 is a deficient number, since it is larger than the sum of its proper divisors (1).

406276859 is an equidigital number, since it uses as much as digits as its factorization.

406276859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 406276859 is about 20156.3106495212. The cubic root of 406276859 is about 740.6403387282.

The spelling of 406276859 in words is "four hundred six million, two hundred seventy-six thousand, eight hundred fifty-nine".