404435149 has 2 divisors, whose sum is σ = 404435150. Its totient is φ = 404435148.

The previous prime is 404435077. The next prime is 404435153. The reversal of 404435149 is 941534404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380523049 + 23912100 = 19507^2 + 4890^2 .

It is a cyclic number.

It is not a de Polignac number, because 404435149 - 2¹⁵ = 404402381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404495149) 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, 202217574 + 202217575.

It is an arithmetic number, because the mean of its divisors is an integer number (202217575).

Almost surely, 2^404435149 is an apocalyptic number.

It is an amenable number.

404435149 is a deficient number, since it is larger than the sum of its proper divisors (1).

404435149 is an equidigital number, since it uses as much as digits as its factorization.

404435149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 404435149 is about 20110.5730649328. The cubic root of 404435149 is about 739.5195011927.

It can be divided in two parts, 4044 and 35149, that added together give a palindrome (39193).

The spelling of 404435149 in words is "four hundred four million, four hundred thirty-five thousand, one hundred forty-nine".