403316489 has 2 divisors, whose sum is σ = 403316490. Its totient is φ = 403316488.

The previous prime is 403316413. The next prime is 403316513. The reversal of 403316489 is 984613304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278055625 + 125260864 = 16675^2 + 11192^2 .

It is a cyclic number.

It is not a de Polignac number, because 403316489 - 2⁸ = 403316233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (403313489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201658244 + 201658245.

It is an arithmetic number, because the mean of its divisors is an integer number (201658245).

Almost surely, 2^403316489 is an apocalyptic number.

It is an amenable number.

403316489 is a deficient number, since it is larger than the sum of its proper divisors (1).

403316489 is an equidigital number, since it uses as much as digits as its factorization.

403316489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 403316489 is about 20082.7410728715. The cubic root of 403316489 is about 738.8370392454.

The spelling of 403316489 in words is "four hundred three million, three hundred sixteen thousand, four hundred eighty-nine".