853343400 has 192 divisors, whose sum is σ = 3256041600. Its totient is φ = 180034560.

The previous prime is 853343399. The next prime is 853343419. The reversal of 853343400 is 4343358.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46786 + ... + 62414.

It is an arithmetic number, because the mean of its divisors is an integer number (16958550).

Almost surely, 2^853343400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853343400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628020800).

853343400 is an abundant number, since it is smaller than the sum of its proper divisors (2402698200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853343400 is a wasteful number, since it uses less digits than its factorization.

853343400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15668 (or 15659 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 853343400 is about 29212.0420374886. The cubic root of 853343400 is about 948.5086109805.

Adding to 853343400 its reverse (4343358), we get a palindrome (857686758).

The spelling of 853343400 in words is "eight hundred fifty-three million, three hundred forty-three thousand, four hundred".