3997983996396 has 120 divisors (see below), whose sum is σ = 11344110328320. Its totient is φ = 1220462546688.

The previous prime is 3997983996389. The next prime is 3997983996407. The reversal of 3997983996396 is 6936993897993.

3997983996396 is a `hidden beast` number, since 3 + 9 + 9 + 79 + 8 + 399 + 63 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3202041 + ... + 4271888.

It is an arithmetic number, because the mean of its divisors is an integer number (94534252736).

Almost surely, 2^{3997983996396} is an apocalyptic number.

3997983996396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3997983996396 is an abundant number, since it is smaller than the sum of its proper divisors (7346126331924).

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

3997983996396 is a wasteful number, since it uses less digits than its factorization.

3997983996396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474085 (or 7474074 counting only the distinct ones).

The product of its digits is 28927396512, while the sum is 90.

The spelling of 3997983996396 in words is "three trillion, nine hundred ninety-seven billion, nine hundred eighty-three million, nine hundred ninety-six thousand, three hundred ninety-six".