3785709 has 8 divisors (see below), whose sum is σ = 5155200. Its totient is φ = 2470016.

The previous prime is 3785687. The next prime is 3785753. The reversal of 3785709 is 9075873.

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 3785709 - 2¹³ = 3777517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785779) 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, 13284 + ... + 13565.

It is an arithmetic number, because the mean of its divisors is an integer number (644400).

Almost surely, 2^3785709 is an apocalyptic number.

It is an amenable number.

3785709 is a deficient number, since it is larger than the sum of its proper divisors (1369491).

3785709 is a wasteful number, since it uses less digits than its factorization.

3785709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26899.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3785709 is about 1945.6898519548. The cubic root of 3785709 is about 155.8532067524.

The spelling of 3785709 in words is "three million, seven hundred eighty-five thousand, seven hundred nine".