404097369 has 32 divisors (see below), whose sum is σ = 606326784. Its totient is φ = 237695040.

The previous prime is 404097341. The next prime is 404097371. The reversal of 404097369 is 963790404.

It is not a de Polignac number, because 404097369 - 2¹⁵ = 404064601 is a prime.

It is a super-2 number, since 2×404097369² = 326589367265444322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404097369.

It is not an unprimeable number, because it can be changed into a prime (404097319) 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 in 31 ways as a sum of consecutive naturals, for example, 98334 + ... + 102360.

It is an arithmetic number, because the mean of its divisors is an integer number (18947712).

Almost surely, 2^404097369 is an apocalyptic number.

It is an amenable number.

404097369 is a deficient number, since it is larger than the sum of its proper divisors (202229415).

404097369 is a wasteful number, since it uses less digits than its factorization.

404097369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 404097369 is about 20102.1732407220. The cubic root of 404097369 is about 739.3135642029.

The spelling of 404097369 in words is "four hundred four million, ninety-seven thousand, three hundred sixty-nine".