3868765 has 8 divisors (see below), whose sum is σ = 4656600. Its totient is φ = 3085632.

The previous prime is 3868763. The next prime is 3868789. The reversal of 3868765 is 5678683.

3868765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1136356 + 2732409 = 1066^2 + 1653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3868765 - 2¹ = 3868763 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 8⁵ + 6 + 8⁷ + 7² + 6⁸ + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868763) 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 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (582075).

Almost surely, 2^3868765 is an apocalyptic number.

It is an amenable number.

3868765 is a deficient number, since it is larger than the sum of its proper divisors (787835).

3868765 is a wasteful number, since it uses less digits than its factorization.

3868765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its digits is 241920, while the sum is 43.

The square root of 3868765 is about 1966.9176393535. The cubic root of 3868765 is about 156.9847443491.

The spelling of 3868765 in words is "three million, eight hundred sixty-eight thousand, seven hundred sixty-five".