3841765 has 4 divisors (see below), whose sum is σ = 4610124. Its totient is φ = 3073408.

The previous prime is 3841763. The next prime is 3841777. The reversal of 3841765 is 5671483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5671483 = 67 ⋅84649.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 2762244 = 1039^2 + 1662^2 .

It is a cyclic number.

It is not a de Polignac number, because 3841765 - 2¹ = 3841763 is a prime.

It is a Duffinian number.

3841765 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3841765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3841763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384172 + ... + 384181.

It is an arithmetic number, because the mean of its divisors is an integer number (1152531).

Almost surely, 2^3841765 is an apocalyptic number.

It is an amenable number.

3841765 is a deficient number, since it is larger than the sum of its proper divisors (768359).

3841765 is an equidigital number, since it uses as much as digits as its factorization.

3841765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768358.

The product of its digits is 20160, while the sum is 34.

The square root of 3841765 is about 1960.0420913848. The cubic root of 3841765 is about 156.6186941294.

The spelling of 3841765 in words is "three million, eight hundred forty-one thousand, seven hundred sixty-five".