3944487534396 has 24 divisors (see below), whose sum is σ = 9203842972800. Its totient is φ = 1314823645872.

The previous prime is 3944487534373. The next prime is 3944487534443. The reversal of 3944487534396 is 6934357844493.

It is a self number, because there is not a number n which added to its sum of digits gives 3944487534396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119305 + ... + 4197503.

It is an arithmetic number, because the mean of its divisors is an integer number (383493457200).

Almost surely, 2^{3944487534396} is an apocalyptic number.

It is an amenable number.

3944487534396 is an abundant number, since it is smaller than the sum of its proper divisors (5259355438404).

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

3944487534396 is a wasteful number, since it uses less digits than its factorization.

3944487534396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383073 (or 1383071 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 69.

The spelling of 3944487534396 in words is "three trillion, nine hundred forty-four billion, four hundred eighty-seven million, five hundred thirty-four thousand, three hundred ninety-six".