4161604 has 12 divisors (see below), whose sum is σ = 7355628. Its totient is φ = 2060000.

The previous prime is 4161593. The next prime is 4161607. The reversal of 4161604 is 4061614.

4161604 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 161604 = 2000^2 + 402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161607) 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, 4747 + ... + 5554.

It is an arithmetic number, because the mean of its divisors is an integer number (612969).

Almost surely, 2^4161604 is an apocalyptic number.

It is an amenable number.

4161604 is a deficient number, since it is larger than the sum of its proper divisors (3194024).

4161604 is a wasteful number, since it uses less digits than its factorization.

4161604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406 (or 10404 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4161604 is about 2040.0009803919. Note that the first 3 decimals coincide. The cubic root of 4161604 is about 160.8496983416.

It can be divided in two parts, 4 and 161604, that multiplied together give a square (646416 = 804²).

The spelling of 4161604 in words is "four million, one hundred sixty-one thousand, six hundred four".