1385384211 has 24 divisors (see below), whose sum is σ = 2032056000. Its totient is φ = 909372672.

The previous prime is 1385384177. The next prime is 1385384239. The reversal of 1385384211 is 1124835831.

It is not a de Polignac number, because 1385384211 - 2⁷ = 1385384083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385384911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274075 + ... + 279083.

It is an arithmetic number, because the mean of its divisors is an integer number (84669000).

Almost surely, 2^1385384211 is an apocalyptic number.

1385384211 is a deficient number, since it is larger than the sum of its proper divisors (646671789).

1385384211 is a wasteful number, since it uses less digits than its factorization.

1385384211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5480 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1385384211 is about 37220.7497372098. The cubic root of 1385384211 is about 1114.7823342596.

The spelling of 1385384211 in words is "one billion, three hundred eighty-five million, three hundred eighty-four thousand, two hundred eleven".