385386216 has 16 divisors (see below), whose sum is σ = 963465600. Its totient is φ = 128462064.

The previous prime is 385386193. The next prime is 385386217. The reversal of 385386216 is 612683583.

It is not an unprimeable number, because it can be changed into a prime (385386217) 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, 8028856 + ... + 8028903.

It is an arithmetic number, because the mean of its divisors is an integer number (60216600).

Almost surely, 2^385386216 is an apocalyptic number.

It is an amenable number.

385386216 is an abundant number, since it is smaller than the sum of its proper divisors (578079384).

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

385386216 is a wasteful number, since it uses less digits than its factorization.

385386216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16057768 (or 16057764 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 385386216 is about 19631.2560983754. The cubic root of 385386216 is about 727.7218123600.

The spelling of 385386216 in words is "three hundred eighty-five million, three hundred eighty-six thousand, two hundred sixteen".