385819844 has 12 divisors (see below), whose sum is σ = 675322368. Its totient is φ = 192870600.

The previous prime is 385819829. The next prime is 385819853. The reversal of 385819844 is 448918583.

It is a junction number, because it is equal to n+sod(n) for n = 385819792 and 385819801.

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, 32429 + ... + 42699.

It is an arithmetic number, because the mean of its divisors is an integer number (56276864).

Almost surely, 2^385819844 is an apocalyptic number.

It is an amenable number.

385819844 is a deficient number, since it is larger than the sum of its proper divisors (289502524).

385819844 is a wasteful number, since it uses less digits than its factorization.

385819844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666 (or 19664 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 385819844 is about 19642.2973198147. The cubic root of 385819844 is about 727.9946488557.

The spelling of 385819844 in words is "three hundred eighty-five million, eight hundred nineteen thousand, eight hundred forty-four".