3869121 has 8 divisors (see below), whose sum is σ = 5176864. Its totient is φ = 2570400.

The previous prime is 3869113. The next prime is 3869123. The reversal of 3869121 is 1219683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3869121 - 2³ = 3869113 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1180 + ... + 3021.

It is an arithmetic number, because the mean of its divisors is an integer number (647108).

Almost surely, 2^3869121 is an apocalyptic number.

It is an amenable number.

3869121 is a deficient number, since it is larger than the sum of its proper divisors (1307743).

3869121 is a wasteful number, since it uses less digits than its factorization.

3869121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511.

The product of its digits is 2592, while the sum is 30.

The square root of 3869121 is about 1967.0081341977. The cubic root of 3869121 is about 156.9895593960.

The spelling of 3869121 in words is "three million, eight hundred sixty-nine thousand, one hundred twenty-one".