3857989560 has 32 divisors (see below), whose sum is σ = 11573969040. Its totient is φ = 1028797184.

The previous prime is 3857989549. The next prime is 3857989609. The reversal of 3857989560 is 659897583.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 3857989494 and 3857989503.

It is a congruent number.

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, 16074837 + ... + 16075076.

Almost surely, 2^3857989560 is an apocalyptic number.

3857989560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3857989560 is an abundant number, since it is smaller than the sum of its proper divisors (7715979480).

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

3857989560 is a wasteful number, since it uses less digits than its factorization.

3857989560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32149927 (or 32149923 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The square root of 3857989560 is about 62112.7165723735. The cubic root of 3857989560 is about 1568.3886208321.

The spelling of 3857989560 in words is "three billion, eight hundred fifty-seven million, nine hundred eighty-nine thousand, five hundred sixty".