4086161 has 4 divisors (see below), whose sum is σ = 4181232. Its totient is φ = 3991092.

The previous prime is 4086151. The next prime is 4086167. The reversal of 4086161 is 1616804.

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.

It is a cyclic number.

It is not a de Polignac number, because 4086161 - 2⁶ = 4086097 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 4086161.

It is not an unprimeable number, because it can be changed into a prime (4086167) 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, 47471 + ... + 47556.

It is an arithmetic number, because the mean of its divisors is an integer number (1045308).

Almost surely, 2^4086161 is an apocalyptic number.

It is an amenable number.

4086161 is a deficient number, since it is larger than the sum of its proper divisors (95071).

4086161 is an equidigital number, since it uses as much as digits as its factorization.

4086161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95070.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4086161 is about 2021.4254871254. The cubic root of 4086161 is about 159.8717853045.

The spelling of 4086161 in words is "four million, eighty-six thousand, one hundred sixty-one".