3859409 has 8 divisors (see below), whose sum is σ = 3958080. Its totient is φ = 3762000.

The previous prime is 3859399. The next prime is 3859411. The reversal of 3859409 is 9049583.

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

It is a cyclic number.

It is not a de Polignac number, because 3859409 - 2⁴ = 3859393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3859439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9002 + ... + 9420.

It is an arithmetic number, because the mean of its divisors is an integer number (494760).

Almost surely, 2^3859409 is an apocalyptic number.

It is an amenable number.

3859409 is a deficient number, since it is larger than the sum of its proper divisors (98671).

3859409 is a wasteful number, since it uses less digits than its factorization.

3859409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3859409 is about 1964.5378591414. The cubic root of 3859409 is about 156.8580945577.

The spelling of 3859409 in words is "three million, eight hundred fifty-nine thousand, four hundred nine".