385268216 has 32 divisors (see below), whose sum is σ = 759767040. Its totient is φ = 182796768.

The previous prime is 385268209. The next prime is 385268243. The reversal of 385268216 is 612862583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15125 + ... + 31611.

It is an arithmetic number, because the mean of its divisors is an integer number (23742720).

Almost surely, 2^385268216 is an apocalyptic number.

It is an amenable number.

385268216 is a deficient number, since it is larger than the sum of its proper divisors (374498824).

385268216 is a wasteful number, since it uses less digits than its factorization.

385268216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16643 (or 16639 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 385268216 is about 19628.2504569307. The cubic root of 385268216 is about 727.6475319490.

The spelling of 385268216 in words is "three hundred eighty-five million, two hundred sixty-eight thousand, two hundred sixteen".