3869128 has 16 divisors (see below), whose sum is σ = 7343280. Its totient is φ = 1910928.

The previous prime is 3869123. The next prime is 3869153. The reversal of 3869128 is 8219683.

It is not an unprimeable number, because it can be changed into a prime (3869123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2250 + ... + 3577.

It is an arithmetic number, because the mean of its divisors is an integer number (458955).

Almost surely, 2^3869128 is an apocalyptic number.

It is an amenable number.

3869128 is a deficient number, since it is larger than the sum of its proper divisors (3474152).

3869128 is a wasteful number, since it uses less digits than its factorization.

3869128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916 (or 5912 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 3869128 is about 1967.0099135490. The cubic root of 3869128 is about 156.9896540710.

The spelling of 3869128 in words is "three million, eight hundred sixty-nine thousand, one hundred twenty-eight".