4061605 has 8 divisors (see below), whose sum is σ = 4933152. Its totient is φ = 3209808.

The previous prime is 4061581. The next prime is 4061609. The reversal of 4061605 is 5061604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4061605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4061609) 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, 4479 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (616644).

Almost surely, 2^4061605 is an apocalyptic number.

It is an amenable number.

4061605 is a deficient number, since it is larger than the sum of its proper divisors (871547).

4061605 is an equidigital number, since it uses as much as digits as its factorization.

4061605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4061605 is about 2015.3424026701. The cubic root of 4061605 is about 159.5508889876.

Subtracting 4061605 from its reverse (5061604), we obtain a palindrome (999999).

The spelling of 4061605 in words is "four million, sixty-one thousand, six hundred five".