3885709 has 4 divisors (see below), whose sum is σ = 4090240. Its totient is φ = 3681180.

The previous prime is 3885697. The next prime is 3885719. The reversal of 3885709 is 9075883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3885709 - 2⁵ = 3885677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102237 + ... + 102274.

It is an arithmetic number, because the mean of its divisors is an integer number (1022560).

Almost surely, 2^3885709 is an apocalyptic number.

It is an amenable number.

3885709 is a deficient number, since it is larger than the sum of its proper divisors (204531).

3885709 is a wasteful number, since it uses less digits than its factorization.

3885709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204530.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3885709 is about 1971.2201804973. The cubic root of 3885709 is about 157.2135922007.

The spelling of 3885709 in words is "three million, eight hundred eighty-five thousand, seven hundred nine".