404316085 has 16 divisors (see below), whose sum is σ = 498052800. Its totient is φ = 314974336.

The previous prime is 404316019. The next prime is 404316091. The reversal of 404316085 is 580613404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 404316085 - 2⁷ = 404315957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25161 + ... + 37969.

It is an arithmetic number, because the mean of its divisors is an integer number (31128300).

Almost surely, 2^404316085 is an apocalyptic number.

It is an amenable number.

404316085 is a deficient number, since it is larger than the sum of its proper divisors (93736715).

404316085 is a wasteful number, since it uses less digits than its factorization.

404316085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 404316085 is about 20107.6126131373. The cubic root of 404316085 is about 739.4469235973.

Adding to 404316085 its reverse (580613404), we get a palindrome (984929489).

The spelling of 404316085 in words is "four hundred four million, three hundred sixteen thousand, eighty-five".