2087841 has 16 divisors (see below), whose sum is σ = 3248000. Its totient is φ = 1192464.

The previous prime is 2087837. The next prime is 2087857. The reversal of 2087841 is 1487802.

It is not a de Polignac number, because 2087841 - 2² = 2087837 is a prime.

It is a Curzon number.

2087841 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2087799 and 2087808.

It is not an unprimeable number, because it can be changed into a prime (2087801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (203000).

2^2087841 is an apocalyptic number.

2087841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2087841 is a deficient number, since it is larger than the sum of its proper divisors (1160159).

2087841 is an equidigital number, since it uses as much as digits as its factorization.

2087841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2087841 is about 1444.9363307772. The cubic root of 2087841 is about 127.8102861767.

The spelling of 2087841 in words is "two million, eighty-seven thousand, eight hundred forty-one".