3619841 has 4 divisors (see below), whose sum is σ = 3624384. Its totient is φ = 3615300.

The previous prime is 3619817. The next prime is 3619843. The reversal of 3619841 is 1489163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3619841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3619798 and 3619807.

It is not an unprimeable number, because it can be changed into a prime (3619843) 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, 725 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (906096).

Almost surely, 2^3619841 is an apocalyptic number.

It is an amenable number.

3619841 is a deficient number, since it is larger than the sum of its proper divisors (4543).

3619841 is a wasteful number, since it uses less digits than its factorization.

3619841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542.

The product of its digits is 5184, while the sum is 32.

The square root of 3619841 is about 1902.5879743129. The cubic root of 3619841 is about 153.5429327437.

The spelling of 3619841 in words is "three million, six hundred nineteen thousand, eight hundred forty-one".