404489206 has 12 divisors (see below), whose sum is σ = 666906156. Its totient is φ = 183858620.

The previous prime is 404489203. The next prime is 404489213. The reversal of 404489206 is 602984404.

It is a super-2 number, since 2×404489206² = 327223035541020872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404489203) 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 in 5 ways as a sum of consecutive naturals, for example, 835480 + ... + 835963.

It is an arithmetic number, because the mean of its divisors is an integer number (55575513).

Almost surely, 2^404489206 is an apocalyptic number.

404489206 is a deficient number, since it is larger than the sum of its proper divisors (262416950).

404489206 is a wasteful number, since it uses less digits than its factorization.

404489206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671467 (or 1671456 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 404489206 is about 20111.9170145464. The cubic root of 404489206 is about 739.5524479043.

The spelling of 404489206 in words is "four hundred four million, four hundred eighty-nine thousand, two hundred six".