4200069 has 4 divisors (see below), whose sum is σ = 5600096. Its totient is φ = 2800044.

The previous prime is 4200047. The next prime is 4200073. The reversal of 4200069 is 9600024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4200069 - 2⁸ = 4199813 is a prime.

It is a super-2 number, since 2×4200069² = 35281159209522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4200069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200019) 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 3 ways as a sum of consecutive naturals, for example, 700009 + ... + 700014.

It is an arithmetic number, because the mean of its divisors is an integer number (1400024).

Almost surely, 2^4200069 is an apocalyptic number.

It is an amenable number.

4200069 is a deficient number, since it is larger than the sum of its proper divisors (1400027).

4200069 is a wasteful number, since it uses less digits than its factorization.

4200069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400026.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4200069 is about 2049.4069873990. The cubic root of 4200069 is about 161.3437481419.

The spelling of 4200069 in words is "four million, two hundred thousand, sixty-nine".