4200005 has 8 divisors (see below), whose sum is σ = 5111424. Its totient is φ = 3312400.

The previous prime is 4199989. The next prime is 4200013. The reversal of 4200005 is 5000024.

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

It is not a de Polignac number, because 4200005 - 2⁴ = 4199989 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 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, 5561 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (638928).

Almost surely, 2^4200005 is an apocalyptic number.

It is an amenable number.

4200005 is a deficient number, since it is larger than the sum of its proper divisors (911419).

4200005 is a wasteful number, since it uses less digits than its factorization.

4200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11907.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 4200005 is about 2049.3913730666. The cubic root of 4200005 is about 161.3429286274.

Adding to 4200005 its reverse (5000024), we get a palindrome (9200029).

The spelling of 4200005 in words is "four million, two hundred thousand, five".