3668765 has 4 divisors (see below), whose sum is σ = 4402524. Its totient is φ = 2935008.

The previous prime is 3668759. The next prime is 3668801. The reversal of 3668765 is 5678663.

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 2353156 + 1315609 = 1534^2 + 1147^2 .

It is a cyclic number.

It is not a de Polignac number, because 3668765 - 2⁶ = 3668701 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 6⁴ + 6⁶ + 8⁵ + 7⁷ + 6⁷ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366872 + ... + 366881.

It is an arithmetic number, because the mean of its divisors is an integer number (1100631).

Almost surely, 2^3668765 is an apocalyptic number.

It is an amenable number.

3668765 is a deficient number, since it is larger than the sum of its proper divisors (733759).

3668765 is an equidigital number, since it uses as much as digits as its factorization.

3668765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733758.

The product of its digits is 181440, while the sum is 41.

The square root of 3668765 is about 1915.4020465688. The cubic root of 3668765 is about 154.2315765949.

The spelling of 3668765 in words is "three million, six hundred sixty-eight thousand, seven hundred sixty-five".