3849709 has 4 divisors (see below), whose sum is σ = 3859804. Its totient is φ = 3839616.

The previous prime is 3849707. The next prime is 3849737. The reversal of 3849709 is 9079483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1447209 + 2402500 = 1203^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 3849709 - 2¹ = 3849707 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3849707) 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, 4452 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (964951).

Almost surely, 2^3849709 is an apocalyptic number.

It is an amenable number.

3849709 is a deficient number, since it is larger than the sum of its proper divisors (10095).

3849709 is an equidigital number, since it uses as much as digits as its factorization.

3849709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3849709 is about 1962.0675319672. The cubic root of 3849709 is about 156.7265718296.

The spelling of 3849709 in words is "three million, eight hundred forty-nine thousand, seven hundred nine".