404612017 has 4 divisors (see below), whose sum is σ = 412246260. Its totient is φ = 396977776.

The previous prime is 404612003. The next prime is 404612023. The reversal of 404612017 is 710216404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112338801 + 292273216 = 10599^2 + 17096^2 .

It is a cyclic number.

It is not a de Polignac number, because 404612017 - 2¹⁵ = 404579249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404611982 and 404612000.

It is not an unprimeable number, because it can be changed into a prime (404612077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3817042 + ... + 3817147.

It is an arithmetic number, because the mean of its divisors is an integer number (103061565).

Almost surely, 2^404612017 is an apocalyptic number.

It is an amenable number.

404612017 is a deficient number, since it is larger than the sum of its proper divisors (7634243).

404612017 is an equidigital number, since it uses as much as digits as its factorization.

404612017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634242.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 404612017 is about 20114.9699726348. The cubic root of 404612017 is about 739.6272879609.

The spelling of 404612017 in words is "four hundred four million, six hundred twelve thousand, seventeen".