3768865 has 4 divisors (see below), whose sum is σ = 4522644. Its totient is φ = 3015088.

The previous prime is 3768847. The next prime is 3768899. The reversal of 3768865 is 5688673.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5688673 = 2083 ⋅2731.

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 1669264 = 1449^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 3768865 - 2¹¹ = 3766817 is a prime.

It is a Duffinian 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, 376882 + ... + 376891.

It is an arithmetic number, because the mean of its divisors is an integer number (1130661).

Almost surely, 2^3768865 is an apocalyptic number.

It is an amenable number.

3768865 is a deficient number, since it is larger than the sum of its proper divisors (753779).

3768865 is an equidigital number, since it uses as much as digits as its factorization.

3768865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753778.

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

The square root of 3768865 is about 1941.3564845231. The cubic root of 3768865 is about 155.6217138277.

The spelling of 3768865 in words is "three million, seven hundred sixty-eight thousand, eight hundred sixty-five".