3889517956 has 9 divisors (see below), whose sum is σ = 6806874711. Its totient is φ = 1944696612.

The previous prime is 3889517939. The next prime is 3889517963. The reversal of 3889517956 is 6597159883.

The square root of 3889517956 is 62366.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3889517894 and 3889517903.

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 2 ways as a sum of consecutive naturals, for example, 109141 + ... + 140323.

Almost surely, 2^3889517956 is an apocalyptic number.

3889517956 is the 62366-th square number.

It is an amenable number.

3889517956 is a deficient number, since it is larger than the sum of its proper divisors (2917356755).

3889517956 is an frugal number, since it uses more digits than its factorization.

3889517956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62370 (or 31185 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 61.

The cubic root of 3889517956 is about 1572.6494482803.

The spelling of 3889517956 in words is "three billion, eight hundred eighty-nine million, five hundred seventeen thousand, nine hundred fifty-six".