404971573 has 8 divisors (see below), whose sum is σ = 420147000. Its totient is φ = 389876928.

The previous prime is 404971559. The next prime is 404971579. The reversal of 404971573 is 375179404.

It can be written as a sum of positive squares in 4 ways, for example, as 90193009 + 314778564 = 9497^2 + 17742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404971573 - 2²⁵ = 371417141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404971579) 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 7 ways as a sum of consecutive naturals, for example, 9886 + ... + 30127.

It is an arithmetic number, because the mean of its divisors is an integer number (52518375).

Almost surely, 2^404971573 is an apocalyptic number.

It is an amenable number.

404971573 is a deficient number, since it is larger than the sum of its proper divisors (15175427).

404971573 is a wasteful number, since it uses less digits than its factorization.

404971573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40391.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 404971573 is about 20123.9055106110. The cubic root of 404971573 is about 739.8463115211.

The spelling of 404971573 in words is "four hundred four million, nine hundred seventy-one thousand, five hundred seventy-three".