404704945 has 8 divisors (see below), whose sum is σ = 485866944. Its totient is φ = 323616624.

The previous prime is 404704943. The next prime is 404704967. The reversal of 404704945 is 549407404.

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 404704945 - 2¹ = 404704943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404704943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5509 + ... + 28978.

It is an arithmetic number, because the mean of its divisors is an integer number (60733368).

Almost surely, 2^404704945 is an apocalyptic number.

It is an amenable number.

404704945 is a deficient number, since it is larger than the sum of its proper divisors (81161999).

404704945 is a wasteful number, since it uses less digits than its factorization.

404704945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36839.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 404704945 is about 20117.2797614389. The cubic root of 404704945 is about 739.6839074881.

The spelling of 404704945 in words is "four hundred four million, seven hundred four thousand, nine hundred forty-five".