3886917664 has 24 divisors (see below), whose sum is σ = 8745565248. Its totient is φ = 1665821760.

The previous prime is 3886917641. The next prime is 3886917667. The reversal of 3886917664 is 4667196883.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3886917599 and 3886917608.

It is not an unprimeable number, because it can be changed into a prime (3886917667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8675932 + ... + 8676379.

It is an arithmetic number, because the mean of its divisors is an integer number (364398552).

Almost surely, 2^3886917664 is an apocalyptic number.

It is an amenable number.

3886917664 is an abundant number, since it is smaller than the sum of its proper divisors (4858647584).

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

3886917664 is a wasteful number, since it uses less digits than its factorization.

3886917664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17352328 (or 17352320 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The square root of 3886917664 is about 62345.1494825379. The cubic root of 3886917664 is about 1572.2989113192.

The spelling of 3886917664 in words is "three billion, eight hundred eighty-six million, nine hundred seventeen thousand, six hundred sixty-four".