404344159 has 2 divisors, whose sum is σ = 404344160. Its totient is φ = 404344158.

The previous prime is 404344147. The next prime is 404344181. The reversal of 404344159 is 951443404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404344159 - 2⁹ = 404343647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404344139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202172079 + 202172080.

It is an arithmetic number, because the mean of its divisors is an integer number (202172080).

Almost surely, 2^404344159 is an apocalyptic number.

404344159 is a deficient number, since it is larger than the sum of its proper divisors (1).

404344159 is an equidigital number, since it uses as much as digits as its factorization.

404344159 is an evil number, because the sum of its binary digits is even.

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

The square root of 404344159 is about 20108.3106948346. The cubic root of 404344159 is about 739.4640378908.

The spelling of 404344159 in words is "four hundred four million, three hundred forty-four thousand, one hundred fifty-nine".