3875765 has 4 divisors (see below), whose sum is σ = 4650924. Its totient is φ = 3100608.

The previous prime is 3875747. The next prime is 3875797. The reversal of 3875765 is 5675783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5675783 = 617 ⋅9199.

It can be written as a sum of positive squares in 2 ways, for example, as 1592644 + 2283121 = 1262^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 3875765 - 2¹² = 3871669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387572 + ... + 387581.

It is an arithmetic number, because the mean of its divisors is an integer number (1162731).

Almost surely, 2^3875765 is an apocalyptic number.

It is an amenable number.

3875765 is a deficient number, since it is larger than the sum of its proper divisors (775159).

3875765 is an equidigital number, since it uses as much as digits as its factorization.

3875765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775158.

The product of its digits is 176400, while the sum is 41.

The square root of 3875765 is about 1968.6962691081. The cubic root of 3875765 is about 157.0793680952.

The spelling of 3875765 in words is "three million, eight hundred seventy-five thousand, seven hundred sixty-five".