396859197600 has 288 divisors, whose sum is σ = 1481610170880. Its totient is φ = 102415104000.

The previous prime is 396859197589. The next prime is 396859197601. The reversal of 396859197600 is 6791958693.

396859197600 is a `hidden beast` number, since 3 + 9 + 6 + 8 + 5 + 9 + 19 + 7 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (396859197601) by changing a digit.

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, 373260 + ... + 965940.

It is an arithmetic number, because the mean of its divisors is an integer number (5144479760).

Almost surely, 2^396859197600 is an apocalyptic number.

396859197600 is a gapful number since it is divisible by the number (30) 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 396859197600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740805085440).

396859197600 is an abundant number, since it is smaller than the sum of its proper divisors (1084750973280).

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

396859197600 is a wasteful number, since it uses less digits than its factorization.

396859197600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592741 (or 592722 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 396859197600 in words is "three hundred ninety-six billion, eight hundred fifty-nine million, one hundred ninety-seven thousand, six hundred".