385837216 has 24 divisors (see below), whose sum is σ = 761158944. Its totient is φ = 192527040.

The previous prime is 385837201. The next prime is 385837223. The reversal of 385837216 is 612738583.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4111 + ... + 28081.

It is an arithmetic number, because the mean of its divisors is an integer number (31714956).

Almost surely, 2^385837216 is an apocalyptic number.

It is an amenable number.

385837216 is a deficient number, since it is larger than the sum of its proper divisors (375321728).

385837216 is a wasteful number, since it uses less digits than its factorization.

385837216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484 (or 24476 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 385837216 is about 19642.7395238037. The cubic root of 385837216 is about 728.0055749684.

The spelling of 385837216 in words is "three hundred eighty-five million, eight hundred thirty-seven thousand, two hundred sixteen".