2087869 has 8 divisors (see below), whose sum is σ = 2395008. Its totient is φ = 1782960.

The previous prime is 2087861. The next prime is 2087879. The reversal of 2087869 is 9687802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2087869 - 2³ = 2087861 is a prime.

It is a super-2 number, since 2×2087869² = 8718393922322, which contains 22 as substring.

2087869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904 + ... + 3550.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

2^2087869 is an apocalyptic number.

It is an amenable number.

2087869 is a deficient number, since it is larger than the sum of its proper divisors (307139).

2087869 is an equidigital number, since it uses as much as digits as its factorization.

2087869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2087869 is about 1444.9460197530. The cubic root of 2087869 is about 127.8108575280.

The spelling of 2087869 in words is "two million, eighty-seven thousand, eight hundred sixty-nine".