3865469 has 2 divisors, whose sum is σ = 3865470. Its totient is φ = 3865468.

The previous prime is 3865457. The next prime is 3865481. The reversal of 3865469 is 9645683.

It is a balanced prime because it is at equal distance from previous prime (3865457) and next prime (3865481).

It can be written as a sum of positive squares in only one way, i.e., 3853369 + 12100 = 1963^2 + 110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3865469 is a prime.

It is a super-2 number, since 2×3865469² = 29883701179922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3865429) 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 as a sum of consecutive naturals, namely, 1932734 + 1932735.

It is an arithmetic number, because the mean of its divisors is an integer number (1932735).

Almost surely, 2^3865469 is an apocalyptic number.

It is an amenable number.

3865469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3865469 is an equidigital number, since it uses as much as digits as its factorization.

3865469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 3865469 is about 1966.0796016438. The cubic root of 3865469 is about 156.9401505553.

It can be divided in two parts, 3865 and 469, that added together give a palindrome (4334).

The spelling of 3865469 in words is "three million, eight hundred sixty-five thousand, four hundred sixty-nine".