4506405 has 8 divisors (see below), whose sum is σ = 7210272. Its totient is φ = 2403408.

The previous prime is 4506389. The next prime is 4506419. The reversal of 4506405 is 5046054.

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

It is not a de Polignac number, because 4506405 - 2⁴ = 4506389 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150199 + ... + 150228.

It is an arithmetic number, because the mean of its divisors is an integer number (901284).

Almost surely, 2^4506405 is an apocalyptic number.

It is an amenable number.

4506405 is a deficient number, since it is larger than the sum of its proper divisors (2703867).

4506405 is a wasteful number, since it uses less digits than its factorization.

4506405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300435.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4506405 is about 2122.8294797275. The cubic root of 4506405 is about 165.1746543633.

The spelling of 4506405 in words is "four million, five hundred six thousand, four hundred five".