4169881 has 8 divisors (see below), whose sum is σ = 4396680. Its totient is φ = 3948672.

The previous prime is 4169849. The next prime is 4169909. The reversal of 4169881 is 1889614.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2371600 + 1798281 = 1540^2 + 1341^2 .

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 4169881 - 2⁵ = 4169849 is a prime.

It is a super-2 number, since 2×4169881² = 34775815108322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4169881.

It is not an unprimeable number, because it can be changed into a prime (4169821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (549585).

Almost surely, 2^4169881 is an apocalyptic number.

It is an amenable number.

4169881 is a deficient number, since it is larger than the sum of its proper divisors (226799).

4169881 is a wasteful number, since it uses less digits than its factorization.

4169881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795.

The product of its digits is 13824, while the sum is 37.

The square root of 4169881 is about 2042.0286481830. The cubic root of 4169881 is about 160.9562655279.

It can be divided in two parts, 4169 and 881, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4169881 in words is "four million, one hundred sixty-nine thousand, eight hundred eighty-one".