853960320 has 576 divisors, whose sum is σ = 3419488800. Its totient is φ = 203046912.

The previous prime is 853960309. The next prime is 853960369. The reversal of 853960320 is 23069358.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 44945271 + ... + 44945289.

Almost surely, 2^853960320 is an apocalyptic number.

853960320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853960320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709744400).

853960320 is an abundant number, since it is smaller than the sum of its proper divisors (2565528480).

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

853960320 is a wasteful number, since it uses less digits than its factorization.

853960320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 853960320 is about 29222.5994736950. The cubic root of 853960320 is about 948.7371289791.

The spelling of 853960320 in words is "eight hundred fifty-three million, nine hundred sixty thousand, three hundred twenty".