4161808 has 20 divisors (see below), whose sum is σ = 9215680. Its totient is φ = 1783584.

The previous prime is 4161793. The next prime is 4161809. The reversal of 4161808 is 8081614.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (4161809) 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, 18468 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (460784).

Almost surely, 2^4161808 is an apocalyptic number.

It is an amenable number.

4161808 is an abundant number, since it is smaller than the sum of its proper divisors (5053872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4161808 is a wasteful number, since it uses less digits than its factorization.

4161808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37174 (or 37168 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 4161808 is about 2040.0509797552. The cubic root of 4161808 is about 160.8523265592.

The spelling of 4161808 in words is "four million, one hundred sixty-one thousand, eight hundred eight".