3888889000 has 32 divisors (see below), whose sum is σ = 9100002600. Its totient is φ = 1555555200.

The previous prime is 3888888979. The next prime is 3888889001. The reversal of 3888889000 is 9888883.

It can be written as a sum of positive squares in 4 ways, for example, as 280964644 + 3607924356 = 16762^2 + 60066^2 .

It is not an unprimeable number, because it can be changed into a prime (3888889001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1943445 + ... + 1945444.

Almost surely, 2^3888889000 is an apocalyptic number.

It is an amenable number.

3888889000 is an abundant number, since it is smaller than the sum of its proper divisors (5211113600).

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

3888889000 is a wasteful number, since it uses less digits than its factorization.

3888889000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888910 (or 3888896 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 3888889000 is about 62360.9573371032. The cubic root of 3888889000 is about 1572.5646750823.

The spelling of 3888889000 in words is "three billion, eight hundred eighty-eight million, eight hundred eighty-nine thousand".