3860409 has 8 divisors (see below), whose sum is σ = 5882560. Its totient is φ = 2205936.

The previous prime is 3860387. The next prime is 3860431. The reversal of 3860409 is 9040683.

It is an interprime number because it is at equal distance from previous prime (3860387) and next prime (3860431).

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

It is not a de Polignac number, because 3860409 - 2⁷ = 3860281 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 (3860489) 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, 91894 + ... + 91935.

It is an arithmetic number, because the mean of its divisors is an integer number (735320).

Almost surely, 2^3860409 is an apocalyptic number.

It is an amenable number.

3860409 is a deficient number, since it is larger than the sum of its proper divisors (2022151).

3860409 is a wasteful number, since it uses less digits than its factorization.

3860409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183839.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3860409 is about 1964.7923554412. The cubic root of 3860409 is about 156.8716410661.

The spelling of 3860409 in words is "three million, eight hundred sixty thousand, four hundred nine".