3868709 has 8 divisors (see below), whose sum is σ = 4220160. Its totient is φ = 3524976.

The previous prime is 3868699. The next prime is 3868717. The reversal of 3868709 is 9078683.

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

It is a de Polignac number, because none of the positive numbers 2^k-3868709 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868729) 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, 857 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (527520).

Almost surely, 2^3868709 is an apocalyptic number.

It is an amenable number.

3868709 is a deficient number, since it is larger than the sum of its proper divisors (351451).

3868709 is a wasteful number, since it uses less digits than its factorization.

3868709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 3868709 is about 1966.9034038305. The cubic root of 3868709 is about 156.9839868991.

The spelling of 3868709 in words is "three million, eight hundred sixty-eight thousand, seven hundred nine".