4163405 has 4 divisors (see below), whose sum is σ = 4996092. Its totient is φ = 3330720.

The previous prime is 4163399. The next prime is 4163417. The reversal of 4163405 is 5043614.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5043614 = 2 ⋅2521807.

It can be written as a sum of positive squares in 2 ways, for example, as 3020644 + 1142761 = 1738^2 + 1069^2 .

It is not a de Polignac number, because 4163405 - 2⁸ = 4163149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416336 + ... + 416345.

It is an arithmetic number, because the mean of its divisors is an integer number (1249023).

Almost surely, 2^4163405 is an apocalyptic number.

It is an amenable number.

4163405 is a deficient number, since it is larger than the sum of its proper divisors (832687).

4163405 is an equidigital number, since it uses as much as digits as its factorization.

4163405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832686.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4163405 is about 2040.4423540007. The cubic root of 4163405 is about 160.8728984128.

The spelling of 4163405 in words is "four million, one hundred sixty-three thousand, four hundred five".