385216854 has 32 divisors (see below), whose sum is σ = 844024320. Its totient is φ = 116239200.

The previous prime is 385216847. The next prime is 385216859. The reversal of 385216854 is 458612583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385216859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3564 + ... + 27984.

It is an arithmetic number, because the mean of its divisors is an integer number (26375760).

Almost surely, 2^385216854 is an apocalyptic number.

385216854 is an abundant number, since it is smaller than the sum of its proper divisors (458807466).

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

385216854 is a wasteful number, since it uses less digits than its factorization.

385216854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24676.

The product of its digits is 230400, while the sum is 42.

The square root of 385216854 is about 19626.9420440373. The cubic root of 385216854 is about 727.6151950886.

It can be divided in two parts, 3852 and 16854, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 385216854 in words is "three hundred eighty-five million, two hundred sixteen thousand, eight hundred fifty-four".