4538405 has 16 divisors (see below), whose sum is σ = 5832000. Its totient is φ = 3378432.

The previous prime is 4538333. The next prime is 4538407. The reversal of 4538405 is 5048354.

It is a cyclic number.

It is not a de Polignac number, because 4538405 - 2¹⁶ = 4472869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8846 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (364500).

Almost surely, 2^4538405 is an apocalyptic number.

It is an amenable number.

4538405 is a deficient number, since it is larger than the sum of its proper divisors (1293595).

4538405 is a wasteful number, since it uses less digits than its factorization.

4538405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4538405 is about 2130.3532570914. The cubic root of 4538405 is about 165.5647012016.

The spelling of 4538405 in words is "four million, five hundred thirty-eight thousand, four hundred five".