409680312 has 16 divisors (see below), whose sum is σ = 1024200840. Its totient is φ = 136560096.

The previous prime is 409680311. The next prime is 409680329. The reversal of 409680312 is 213086904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409680311) 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, 8534983 + ... + 8535030.

Almost surely, 2^409680312 is an apocalyptic number.

It is an amenable number.

409680312 is an abundant number, since it is smaller than the sum of its proper divisors (614520528).

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

409680312 is a wasteful number, since it uses less digits than its factorization.

409680312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070022 (or 17070018 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 409680312 is about 20240.5610594173. The cubic root of 409680312 is about 742.7027486542.

The spelling of 409680312 in words is "four hundred nine million, six hundred eighty thousand, three hundred twelve".