3986393492772 has 24 divisors (see below), whose sum is σ = 10335094240800. Its totient is φ = 1328797830888.

The previous prime is 3986393492737. The next prime is 3986393492797. The reversal of 3986393492772 is 2772943936893.

3986393492772 is a `hidden beast` number, since 3 + 9 + 8 + 6 + 3 + 9 + 349 + 277 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3986393492772.

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, 18455525322 + ... + 18455525537.

It is an arithmetic number, because the mean of its divisors is an integer number (430628926700).

Almost surely, 2^{3986393492772} is an apocalyptic number.

It is an amenable number.

3986393492772 is an abundant number, since it is smaller than the sum of its proper divisors (6348700748028).

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

3986393492772 is a wasteful number, since it uses less digits than its factorization.

3986393492772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36911050872 (or 36911050864 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 72.

The spelling of 3986393492772 in words is "three trillion, nine hundred eighty-six billion, three hundred ninety-three million, four hundred ninety-two thousand, seven hundred seventy-two".