4087841 has 4 divisors (see below), whose sum is σ = 4093632. Its totient is φ = 4082052.

The previous prime is 4087829. The next prime is 4087843. The reversal of 4087841 is 1487804.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4087841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4087798 and 4087807.

It is not an unprimeable number, because it can be changed into a prime (4087843) 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, 1661 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (1023408).

Almost surely, 2^4087841 is an apocalyptic number.

It is an amenable number.

4087841 is a deficient number, since it is larger than the sum of its proper divisors (5791).

4087841 is an equidigital number, since it uses as much as digits as its factorization.

4087841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 4087841 is about 2021.8409927588. The cubic root of 4087841 is about 159.8936924033.

The spelling of 4087841 in words is "four million, eighty-seven thousand, eight hundred forty-one".