3868465 has 4 divisors (see below), whose sum is σ = 4642164. Its totient is φ = 3094768.

The previous prime is 3868463. The next prime is 3868477. The reversal of 3868465 is 5648683.

3868465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 968256 = 1703^2 + 984^2 .

It is a cyclic number.

It is not a de Polignac number, because 3868465 - 2¹ = 3868463 is a prime.

It is a super-3 number, since 3×3868465³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

3868465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3868463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386842 + ... + 386851.

It is an arithmetic number, because the mean of its divisors is an integer number (1160541).

Almost surely, 2^3868465 is an apocalyptic number.

It is an amenable number.

3868465 is a deficient number, since it is larger than the sum of its proper divisors (773699).

3868465 is an equidigital number, since it uses as much as digits as its factorization.

3868465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773698.

The product of its digits is 138240, while the sum is 40.

The square root of 3868465 is about 1966.8413764206. The cubic root of 3868465 is about 156.9806864960.

The spelling of 3868465 in words is "three million, eight hundred sixty-eight thousand, four hundred sixty-five".