409228085 has 8 divisors (see below), whose sum is σ = 561227136. Its totient is φ = 280613520.

The previous prime is 409228081. The next prime is 409228087. The reversal of 409228085 is 580822904.

409228085 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 409228085 - 2² = 409228081 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 (409228081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846081 + ... + 5846150.

It is an arithmetic number, because the mean of its divisors is an integer number (70153392).

Almost surely, 2^409228085 is an apocalyptic number.

It is an amenable number.

409228085 is a deficient number, since it is larger than the sum of its proper divisors (151999051).

409228085 is a wasteful number, since it uses less digits than its factorization.

409228085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692243.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 409228085 is about 20229.3866689032. The cubic root of 409228085 is about 742.4293697246.

The spelling of 409228085 in words is "four hundred nine million, two hundred twenty-eight thousand, eighty-five".