404459073 has 12 divisors (see below), whose sum is σ = 585346788. Its totient is φ = 269118720.

The previous prime is 404459047. The next prime is 404459089. The reversal of 404459073 is 370954404.

It can be written as a sum of positive squares in 2 ways, for example, as 40870449 + 363588624 = 6393^2 + 19068^2 .

It is not a de Polignac number, because 404459073 - 2⁶ = 404459009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404479073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38440 + ... + 47817.

It is an arithmetic number, because the mean of its divisors is an integer number (48778899).

Almost surely, 2^404459073 is an apocalyptic number.

It is an amenable number.

404459073 is a deficient number, since it is larger than the sum of its proper divisors (180887715).

404459073 is a wasteful number, since it uses less digits than its factorization.

404459073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86784 (or 86781 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 404459073 is about 20111.1678676302. The cubic root of 404459073 is about 739.5340827770.

The spelling of 404459073 in words is "four hundred four million, four hundred fifty-nine thousand, seventy-three".