4171885 has 8 divisors (see below), whose sum is σ = 5300856. Its totient is φ = 3141120.

The previous prime is 4171883. The next prime is 4171907. The reversal of 4171885 is 5881714.

It can be written as a sum of positive squares in 4 ways, for example, as 866761 + 3305124 = 931^2 + 1818^2 .

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

It is not a de Polignac number, because 4171885 - 2¹ = 4171883 is a prime.

It is a Duffinian number.

4171885 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4171885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4171883) 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, 24456 + ... + 24625.

It is an arithmetic number, because the mean of its divisors is an integer number (662607).

Almost surely, 2^4171885 is an apocalyptic number.

It is an amenable number.

4171885 is a deficient number, since it is larger than the sum of its proper divisors (1128971).

4171885 is a wasteful number, since it uses less digits than its factorization.

4171885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49103.

The product of its digits is 8960, while the sum is 34.

The square root of 4171885 is about 2042.5192777548. The cubic root of 4171885 is about 160.9820460156.

The spelling of 4171885 in words is "four million, one hundred seventy-one thousand, eight hundred eighty-five".