4004605 has 16 divisors (see below), whose sum is σ = 5552064. Its totient is φ = 2740480.

The previous prime is 4004597. The next prime is 4004617. The reversal of 4004605 is 5064004.

It is not a de Polignac number, because 4004605 - 2³ = 4004597 is a prime.

It is a super-2 number, since 2×4004605² = 32073722412050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207 + ... + 3076.

It is an arithmetic number, because the mean of its divisors is an integer number (347004).

Almost surely, 2^4004605 is an apocalyptic number.

It is an amenable number.

4004605 is a deficient number, since it is larger than the sum of its proper divisors (1547459).

4004605 is a wasteful number, since it uses less digits than its factorization.

4004605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4004605 is about 2001.1509188465. The cubic root of 4004605 is about 158.8009983504.

Adding to 4004605 its reverse (5064004), we get a palindrome (9068609).

It can be divided in two parts, 400 and 4605, that added together give a palindrome (5005).

The spelling of 4004605 in words is "four million, four thousand, six hundred five".