406303867 has 2 divisors, whose sum is σ = 406303868. Its totient is φ = 406303866.

The previous prime is 406303831. The next prime is 406303871. The reversal of 406303867 is 768303604.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406303867 - 2⁷ = 406303739 is a prime.

It is not a weakly prime, because it can be changed into another prime (406303897) 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, 203151933 + 203151934.

It is an arithmetic number, because the mean of its divisors is an integer number (203151934).

Almost surely, 2^406303867 is an apocalyptic number.

406303867 is a deficient number, since it is larger than the sum of its proper divisors (1).

406303867 is an equidigital number, since it uses as much as digits as its factorization.

406303867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 406303867 is about 20156.9806022628. The cubic root of 406303867 is about 740.6567501732.

The spelling of 406303867 in words is "four hundred six million, three hundred three thousand, eight hundred sixty-seven".