4900405 has 4 divisors (see below), whose sum is σ = 5880492. Its totient is φ = 3920320.

The previous prime is 4900397. The next prime is 4900421. The reversal of 4900405 is 5040094.

4900405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 872356 + 4028049 = 934^2 + 2007^2 .

It is not a de Polignac number, because 4900405 - 2³ = 4900397 is a prime.

It is a Duffinian number.

4900405 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490036 + ... + 490045.

It is an arithmetic number, because the mean of its divisors is an integer number (1470123).

Almost surely, 2^4900405 is an apocalyptic number.

It is an amenable number.

4900405 is a deficient number, since it is larger than the sum of its proper divisors (980087).

4900405 is an equidigital number, since it uses as much as digits as its factorization.

4900405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980086.

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

The square root of 4900405 is about 2213.6858404028. The cubic root of 4900405 is about 169.8546046340.

Adding to 4900405 its reverse (5040094), we get a palindrome (9940499).

The spelling of 4900405 in words is "four million, nine hundred thousand, four hundred five".