3923393473896 has 192 divisors, whose sum is σ = 11145458761920. Its totient is φ = 1143914280960.

The previous prime is 3923393473847. The next prime is 3923393473921. The reversal of 3923393473896 is 6983743933293.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a self number, because there is not a number n which added to its sum of digits gives 3923393473896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17549056 + ... + 17771216.

It is an arithmetic number, because the mean of its divisors is an integer number (58049264385).

Almost surely, 2^{3923393473896} 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 3923393473896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5572729380960).

3923393473896 is an abundant number, since it is smaller than the sum of its proper divisors (7222065288024).

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

3923393473896 is a wasteful number, since it uses less digits than its factorization.

3923393473896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222336 (or 222309 counting only the distinct ones).

The product of its digits is 476171136, while the sum is 69.

The spelling of 3923393473896 in words is "three trillion, nine hundred twenty-three billion, three hundred ninety-three million, four hundred seventy-three thousand, eight hundred ninety-six".