3848509 has 6 divisors (see below), whose sum is σ = 4476894. Its totient is φ = 3298680.

The previous prime is 3848497. The next prime is 3848513. The reversal of 3848509 is 9058483.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 142884 = 1925^2 + 378^2 .

It is not a de Polignac number, because 3848509 - 2⁷ = 3848381 is a prime.

It is a super-2 number, since 2×3848509² = 29622043046162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3848539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39222 + ... + 39319.

It is an arithmetic number, because the mean of its divisors is an integer number (746149).

Almost surely, 2^3848509 is an apocalyptic number.

It is an amenable number.

3848509 is a deficient number, since it is larger than the sum of its proper divisors (628385).

3848509 is an equidigital number, since it uses as much as digits as its factorization.

3848509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78555 (or 78548 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 3848509 is about 1961.7617082612. The cubic root of 3848509 is about 156.7102856263.

The spelling of 3848509 in words is "three million, eight hundred forty-eight thousand, five hundred nine".