2027869 has 2 divisors, whose sum is σ = 2027870. Its totient is φ = 2027868.

The previous prime is 2027843. The next prime is 2027873. The reversal of 2027869 is 9687202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 191844 = 1355^2 + 438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2027869 is a prime.

It is a super-2 number, since 2×2027869² = 8224505362322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2027899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013934 + 1013935.

It is an arithmetic number, because the mean of its divisors is an integer number (1013935).

2^2027869 is an apocalyptic number.

It is an amenable number.

2027869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027869 is an equidigital number, since it uses as much as digits as its factorization.

2027869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2027869 is about 1424.0326541200. The cubic root of 2027869 is about 126.5746199540.

It can be divided in two parts, 20 and 27869, that added together give a square (27889 = 167²).

The spelling of 2027869 in words is "two million, twenty-seven thousand, eight hundred sixty-nine".