3869888 has 56 divisors (see below), whose sum is σ = 8778240. Its totient is φ = 1675520.

The previous prime is 3869881. The next prime is 3869917. The reversal of 3869888 is 8889683.

It is not an unprimeable number, because it can be changed into a prime (3869881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16073 + ... + 16311.

Almost surely, 2^3869888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389120).

3869888 is an abundant number, since it is smaller than the sum of its proper divisors (4908352).

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

3869888 is a wasteful number, since it uses less digits than its factorization.

3869888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 275 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 3869888 is about 1967.2030906848. The cubic root of 3869888 is about 156.9999323840. Note that the first 4 decimals are identical.

The spelling of 3869888 in words is "three million, eight hundred sixty-nine thousand, eight hundred eighty-eight".