4202805 has 8 divisors (see below), whose sum is σ = 6724512. Its totient is φ = 2241488.

The previous prime is 4202797. The next prime is 4202827. The reversal of 4202805 is 5082024.

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

It is a cyclic number.

It is not a de Polignac number, because 4202805 - 2³ = 4202797 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 2¹⁰ + 0 + 2²² + 8⁴ + 0 + 5⁵ .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140079 + ... + 140108.

It is an arithmetic number, because the mean of its divisors is an integer number (840564).

Almost surely, 2^4202805 is an apocalyptic number.

It is an amenable number.

4202805 is a deficient number, since it is larger than the sum of its proper divisors (2521707).

4202805 is a wasteful number, since it uses less digits than its factorization.

4202805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280195.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4202805 is about 2050.0743888942. The cubic root of 4202805 is about 161.3787746042.

Adding to 4202805 its reverse (5082024), we get a palindrome (9284829).

The spelling of 4202805 in words is "four million, two hundred two thousand, eight hundred five".