406803379 has 2 divisors, whose sum is σ = 406803380. Its totient is φ = 406803378.

The previous prime is 406803373. The next prime is 406803389. The reversal of 406803379 is 973308604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406803379 - 2⁵ = 406803347 is a prime.

It is not a weakly prime, because it can be changed into another prime (406803373) 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, 203401689 + 203401690.

It is an arithmetic number, because the mean of its divisors is an integer number (203401690).

Almost surely, 2^406803379 is an apocalyptic number.

406803379 is a deficient number, since it is larger than the sum of its proper divisors (1).

406803379 is an equidigital number, since it uses as much as digits as its factorization.

406803379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 406803379 is about 20169.3673425817. The cubic root of 406803379 is about 740.9601482414.

The spelling of 406803379 in words is "four hundred six million, eight hundred three thousand, three hundred seventy-nine".