3877161 has 4 divisors (see below), whose sum is σ = 5169552. Its totient is φ = 2584772.

The previous prime is 3877151. The next prime is 3877189. The reversal of 3877161 is 1617783.

3877161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1617783 = 3 ⋅539261.

It is a cyclic number.

It is not a de Polignac number, because 3877161 - 2⁷ = 3877033 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3877151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646191 + ... + 646196.

It is an arithmetic number, because the mean of its divisors is an integer number (1292388).

Almost surely, 2^3877161 is an apocalyptic number.

It is an amenable number.

3877161 is a deficient number, since it is larger than the sum of its proper divisors (1292391).

3877161 is a wasteful number, since it uses less digits than its factorization.

3877161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292390.

The product of its digits is 7056, while the sum is 33.

The square root of 3877161 is about 1969.0507865467. The cubic root of 3877161 is about 157.0982251445.

The spelling of 3877161 in words is "three million, eight hundred seventy-seven thousand, one hundred sixty-one".