3854849 has 4 divisors (see below), whose sum is σ = 3927636. Its totient is φ = 3782064.

The previous prime is 3854843. The next prime is 3854897. The reversal of 3854849 is 9484583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9484583 = 1597 ⋅5939.

It can be written as a sum of positive squares in 2 ways, for example, as 3214849 + 640000 = 1793^2 + 800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3854849 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 8³ + 5 + 4² + 8⁷ + 4¹⁰ + 9⁶ .

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 (3854843) 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, 36314 + ... + 36419.

It is an arithmetic number, because the mean of its divisors is an integer number (981909).

Almost surely, 2^3854849 is an apocalyptic number.

It is an amenable number.

3854849 is a deficient number, since it is larger than the sum of its proper divisors (72787).

3854849 is an equidigital number, since it uses as much as digits as its factorization.

3854849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72786.

The product of its digits is 138240, while the sum is 41.

The square root of 3854849 is about 1963.3769378293. The cubic root of 3854849 is about 156.7962927981.

The spelling of 3854849 in words is "three million, eight hundred fifty-four thousand, eight hundred forty-nine".