3619849 has 4 divisors (see below), whose sum is σ = 3708180. Its totient is φ = 3531520.

The previous prime is 3619843. The next prime is 3619873. The reversal of 3619849 is 9489163.

3619849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9489163 = 41 ⋅231443.

It can be written as a sum of positive squares in 2 ways, for example, as 1537600 + 2082249 = 1240^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 3619849 - 2⁵ = 3619817 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3619843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44104 + ... + 44185.

It is an arithmetic number, because the mean of its divisors is an integer number (927045).

Almost surely, 2^3619849 is an apocalyptic number.

It is an amenable number.

3619849 is a deficient number, since it is larger than the sum of its proper divisors (88331).

3619849 is an equidigital number, since it uses as much as digits as its factorization.

3619849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88330.

The product of its digits is 46656, while the sum is 40.

The square root of 3619849 is about 1902.5900767112. The cubic root of 3619849 is about 153.5430458557.

The spelling of 3619849 in words is "three million, six hundred nineteen thousand, eight hundred forty-nine".