4169861 has 8 divisors (see below), whose sum is σ = 4250400. Its totient is φ = 4090320.

The previous prime is 4169849. The next prime is 4169909. The reversal of 4169861 is 1689614.

4169861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4169861 - 2¹⁴ = 4153477 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4169821) 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 7 ways as a sum of consecutive naturals, for example, 18095 + ... + 18323.

It is an arithmetic number, because the mean of its divisors is an integer number (531300).

Almost surely, 2^4169861 is an apocalyptic number.

It is an amenable number.

4169861 is a deficient number, since it is larger than the sum of its proper divisors (80539).

4169861 is a wasteful number, since it uses less digits than its factorization.

4169861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its digits is 10368, while the sum is 35.

The square root of 4169861 is about 2042.0237510862. The cubic root of 4169861 is about 160.9560081960.

The spelling of 4169861 in words is "four million, one hundred sixty-nine thousand, eight hundred sixty-one".