4115869 has 2 divisors, whose sum is σ = 4115870. Its totient is φ = 4115868.

The previous prime is 4115863. The next prime is 4115879. The reversal of 4115869 is 9685114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 1790244 = 1525^2 + 1338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4115869 is a prime.

It is a super-2 number, since 2×4115869² = 33880755250322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4115863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2057934 + 2057935.

It is an arithmetic number, because the mean of its divisors is an integer number (2057935).

Almost surely, 2^4115869 is an apocalyptic number.

It is an amenable number.

4115869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4115869 is an equidigital number, since it uses as much as digits as its factorization.

4115869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 4115869 is about 2028.7604589995. The cubic root of 4115869 is about 160.2582937403.

The spelling of 4115869 in words is "four million, one hundred fifteen thousand, eight hundred sixty-nine".