385306283828 has 36 divisors (see below), whose sum is σ = 692551212192. Its totient is φ = 187534554480.

The previous prime is 385306283827. The next prime is 385306283861. The reversal of 385306283828 is 828382603583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385306283827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1663751 + ... + 1881137.

It is an arithmetic number, because the mean of its divisors is an integer number (19237533672).

Almost surely, 2^385306283828 is an apocalyptic number.

It is an amenable number.

385306283828 is a deficient number, since it is larger than the sum of its proper divisors (307244928364).

385306283828 is a wasteful number, since it uses less digits than its factorization.

385306283828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217620 (or 217539 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 385306283828 in words is "three hundred eighty-five billion, three hundred six million, two hundred eighty-three thousand, eight hundred twenty-eight".