8397443200 has 96 divisors (see below), whose sum is σ = 20908661760. Its totient is φ = 3332367360.

The previous prime is 8397443179. The next prime is 8397443207. The reversal of 8397443200 is 23447938.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8397443207) 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 11 ways as a sum of consecutive naturals, for example, 396069 + ... + 416731.

It is an arithmetic number, because the mean of its divisors is an integer number (217798560).

Almost surely, 2^8397443200 is an apocalyptic number.

8397443200 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 8397443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10454330880).

8397443200 is an abundant number, since it is smaller than the sum of its proper divisors (12511218560).

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

8397443200 is a wasteful number, since it uses less digits than its factorization.

8397443200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20814 (or 20797 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 8397443200 is about 91637.5643499979. The cubic root of 8397443200 is about 2032.5864449061.

The spelling of 8397443200 in words is "eight billion, three hundred ninety-seven million, four hundred forty-three thousand, two hundred".