3799865 has 4 divisors (see below), whose sum is σ = 4559844. Its totient is φ = 3039888.

The previous prime is 3799837. The next prime is 3799877. The reversal of 3799865 is 5689973.

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 674041 + 3125824 = 821^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 3799865 - 2⁶ = 3799801 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, 379982 + ... + 379991.

It is an arithmetic number, because the mean of its divisors is an integer number (1139961).

Almost surely, 2^3799865 is an apocalyptic number.

It is an amenable number.

3799865 is a deficient number, since it is larger than the sum of its proper divisors (759979).

3799865 is an equidigital number, since it uses as much as digits as its factorization.

3799865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759978.

The product of its digits is 408240, while the sum is 47.

The square root of 3799865 is about 1949.3242418849. The cubic root of 3799865 is about 156.0472270993.

It can be divided in two parts, 3799 and 865, that added together give a palindrome (4664).

The spelling of 3799865 in words is "three million, seven hundred ninety-nine thousand, eight hundred sixty-five".