3865463 has 6 divisors (see below), whose sum is σ = 4496616. Its totient is φ = 3313212.

The previous prime is 3865457. The next prime is 3865469. The reversal of 3865463 is 3645683.

It is an interprime number because it is at equal distance from previous prime (3865457) and next prime (3865469).

It is not a de Polignac number, because 3865463 - 2⁴ = 3865447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865469) 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 in 5 ways as a sum of consecutive naturals, for example, 39395 + ... + 39492.

It is an arithmetic number, because the mean of its divisors is an integer number (749436).

Almost surely, 2^3865463 is an apocalyptic number.

3865463 is a deficient number, since it is larger than the sum of its proper divisors (631153).

3865463 is an equidigital number, since it uses as much as digits as its factorization.

3865463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78901 (or 78894 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 3865463 is about 1966.0780757640. The cubic root of 3865463 is about 156.9400693542.

The spelling of 3865463 in words is "three million, eight hundred sixty-five thousand, four hundred sixty-three".