2088869 has 2 divisors, whose sum is σ = 2088870. Its totient is φ = 2088868.

The previous prime is 2088847. The next prime is 2088871. The reversal of 2088869 is 9688802.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 21025 = 1438^2 + 145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2088869 is a prime.

It is a super-2 number, since 2×2088869² = 8726747398322, which contains 22 as substring.

Together with 2088871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2088829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044434 + 1044435.

It is an arithmetic number, because the mean of its divisors is an integer number (1044435).

2^2088869 is an apocalyptic number.

It is an amenable number.

2088869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2088869 is an equidigital number, since it uses as much as digits as its factorization.

2088869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 2088869 is about 1445.2920120169. The cubic root of 2088869 is about 127.8312595835.

The spelling of 2088869 in words is "two million, eighty-eight thousand, eight hundred sixty-nine".