409020606 has 24 divisors (see below), whose sum is σ = 898354080. Its totient is φ = 134472096.

The previous prime is 409020587. The next prime is 409020617. The reversal of 409020606 is 606020904.

It is a super-2 number, since 2×409020606² = 334595712265214472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 409020606.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 154326 + ... + 156953.

It is an arithmetic number, because the mean of its divisors is an integer number (37431420).

Almost surely, 2^409020606 is an apocalyptic number.

409020606 is an abundant number, since it is smaller than the sum of its proper divisors (489333474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

409020606 is a wasteful number, since it uses less digits than its factorization.

409020606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311360 (or 311357 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 409020606 is about 20224.2578603023. The cubic root of 409020606 is about 742.3038777323.

The spelling of 409020606 in words is "four hundred nine million, twenty thousand, six hundred six".