404203049 has 2 divisors, whose sum is σ = 404203050. Its totient is φ = 404203048.

The previous prime is 404203013. The next prime is 404203057. The reversal of 404203049 is 940302404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298771225 + 105431824 = 17285^2 + 10268^2 .

It is a cyclic number.

It is not a de Polignac number, because 404203049 - 2⁸ = 404202793 is a prime.

It is not a weakly prime, because it can be changed into another prime (404203249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202101524 + 202101525.

It is an arithmetic number, because the mean of its divisors is an integer number (202101525).

Almost surely, 2^404203049 is an apocalyptic number.

It is an amenable number.

404203049 is a deficient number, since it is larger than the sum of its proper divisors (1).

404203049 is an equidigital number, since it uses as much as digits as its factorization.

404203049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 404203049 is about 20104.8016404042. The cubic root of 404203049 is about 739.3780072914.

The spelling of 404203049 in words is "four hundred four million, two hundred three thousand, forty-nine".