3869129 has 16 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 3273600.

The previous prime is 3869123. The next prime is 3869153. The reversal of 3869129 is 9219683.

3869129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3869129 - 2⁴ = 3869113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3869092 and 3869101.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10187 + ... + 10559.

It is an arithmetic number, because the mean of its divisors is an integer number (282744).

Almost surely, 2^3869129 is an apocalyptic number.

It is an amenable number.

3869129 is a deficient number, since it is larger than the sum of its proper divisors (654775).

3869129 is a wasteful number, since it uses less digits than its factorization.

3869129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its digits is 23328, while the sum is 38.

The square root of 3869129 is about 1967.0101677419. The cubic root of 3869129 is about 156.9896675960.

The spelling of 3869129 in words is "three million, eight hundred sixty-nine thousand, one hundred twenty-nine".