853838469 has 16 divisors (see below), whose sum is σ = 1379941440. Its totient is φ = 517477680.

The previous prime is 853838467. The next prime is 853838477. The reversal of 853838469 is 964838358.

It is a happy number.

It is not a de Polignac number, because 853838469 - 2¹ = 853838467 is a prime.

It is a super-2 number, since 2×853838469² = 1458080262288527922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853838467) 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 15 ways as a sum of consecutive naturals, for example, 1437142 + ... + 1437735.

It is an arithmetic number, because the mean of its divisors is an integer number (86246340).

Almost surely, 2^853838469 is an apocalyptic number.

It is an amenable number.

853838469 is a deficient number, since it is larger than the sum of its proper divisors (526102971).

853838469 is a wasteful number, since it uses less digits than its factorization.

853838469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874897 (or 2874891 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 853838469 is about 29220.5145231907. The cubic root of 853838469 is about 948.6920019538.

The spelling of 853838469 in words is "eight hundred fifty-three million, eight hundred thirty-eight thousand, four hundred sixty-nine".