3889206648 has 72 divisors (see below), whose sum is σ = 10606557000. Its totient is φ = 1287411840.

The previous prime is 3889206623. The next prime is 3889206679. The reversal of 3889206648 is 8466029883.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 3889206594 and 3889206603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7464628 + ... + 7465148.

Almost surely, 2^3889206648 is an apocalyptic number.

It is an amenable number.

3889206648 is an abundant number, since it is smaller than the sum of its proper divisors (6717350352).

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

3889206648 is a wasteful number, since it uses less digits than its factorization.

3889206648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 3889206648 is about 62363.5041350308. The cubic root of 3889206648 is about 1572.6074900889.

The spelling of 3889206648 in words is "three billion, eight hundred eighty-nine million, two hundred six thousand, six hundred forty-eight".