3873761 has 4 divisors (see below), whose sum is σ = 3889092. Its totient is φ = 3858432.

The previous prime is 3873743. The next prime is 3873767. The reversal of 3873761 is 1673783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1673783 = 31 ⋅53993.

It can be written as a sum of positive squares in 2 ways, for example, as 3097600 + 776161 = 1760^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 3873761 - 2⁶ = 3873697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3873767) by changing a digit.

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, 7280 + ... + 7793.

It is an arithmetic number, because the mean of its divisors is an integer number (972273).

Almost surely, 2^3873761 is an apocalyptic number.

It is an amenable number.

3873761 is a deficient number, since it is larger than the sum of its proper divisors (15331).

3873761 is a wasteful number, since it uses less digits than its factorization.

3873761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15330.

The product of its digits is 21168, while the sum is 35.

The square root of 3873761 is about 1968.1872370280. The cubic root of 3873761 is about 157.0522903162.

The spelling of 3873761 in words is "three million, eight hundred seventy-three thousand, seven hundred sixty-one".