2853869 has 2 divisors, whose sum is σ = 2853870. Its totient is φ = 2853868.

The previous prime is 2853853. The next prime is 2853871. The reversal of 2853869 is 9683582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 879844 = 1405^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 2853869 - 2⁴ = 2853853 is a prime.

It is a super-2 number, since 2×2853869² = 16289136538322, which contains 22 as substring.

Together with 2853871, 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 (2853269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426934 + 1426935.

It is an arithmetic number, because the mean of its divisors is an integer number (1426935).

2^2853869 is an apocalyptic number.

It is an amenable number.

2853869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2853869 is an equidigital number, since it uses as much as digits as its factorization.

2853869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 2853869 is about 1689.3398118792. The cubic root of 2853869 is about 141.8441224115.

The spelling of 2853869 in words is "two million, eight hundred fifty-three thousand, eight hundred sixty-nine".