404371973 has 8 divisors (see below), whose sum is σ = 413707392. Its totient is φ = 395067136.

The previous prime is 404371949. The next prime is 404371999. The reversal of 404371973 is 379173404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 404371973 - 2²⁰ = 403323397 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 (404371943) 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, 20261 + ... + 34917.

It is an arithmetic number, because the mean of its divisors is an integer number (51713424).

Almost surely, 2^404371973 is an apocalyptic number.

It is an amenable number.

404371973 is a deficient number, since it is larger than the sum of its proper divisors (9335419).

404371973 is a wasteful number, since it uses less digits than its factorization.

404371973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 404371973 is about 20109.0022875328. The cubic root of 404371973 is about 739.4809929036.

The spelling of 404371973 in words is "four hundred four million, three hundred seventy-one thousand, nine hundred seventy-three".