385854843 has 18 divisors (see below), whose sum is σ = 566044276. Its totient is φ = 233624600.

The previous prime is 385854841. The next prime is 385854851. The reversal of 385854843 is 348458583.

It is not a de Polignac number, because 385854843 - 2¹ = 385854841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385854792 and 385854801.

It is not an unprimeable number, because it can be changed into a prime (385854841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 373738 + ... + 374768.

Almost surely, 2^385854843 is an apocalyptic number.

385854843 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385854843 is a deficient number, since it is larger than the sum of its proper divisors (180189433).

385854843 is an equidigital number, since it uses as much as digits as its factorization.

385854843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087 (or 1045 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The square root of 385854843 is about 19643.1882086386. The cubic root of 385854843 is about 728.0166611280.

Multiplying 385854843 by its sum of digits (48), we get a square (18521032464 = 136092²).

The spelling of 385854843 in words is "three hundred eighty-five million, eight hundred fifty-four thousand, eight hundred forty-three".