4079605 has 8 divisors (see below), whose sum is σ = 4963032. Its totient is φ = 3218688.

The previous prime is 4079573. The next prime is 4079617. The reversal of 4079605 is 5069704.

It can be written as a sum of positive squares in 4 ways, for example, as 1179396 + 2900209 = 1086^2 + 1703^2 .

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 4079605 - 2⁵ = 4079573 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5224 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (620379).

Almost surely, 2^4079605 is an apocalyptic number.

It is an amenable number.

4079605 is a deficient number, since it is larger than the sum of its proper divisors (883427).

4079605 is a wasteful number, since it uses less digits than its factorization.

4079605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11255.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 4079605 is about 2019.8032082359. The cubic root of 4079605 is about 159.7862379759.

Subtracting 4079605 from its reverse (5069704), we obtain a palindrome (990099).

The spelling of 4079605 in words is "four million, seventy-nine thousand, six hundred five".