4069147 has 4 divisors (see below), whose sum is σ = 4073256. Its totient is φ = 4065040.

The previous prime is 4069139. The next prime is 4069157. The reversal of 4069147 is 7419604.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4069147 - 2³ = 4069139 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4069157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (1018314).

Almost surely, 2^4069147 is an apocalyptic number.

4069147 is a deficient number, since it is larger than the sum of its proper divisors (4109).

4069147 is a wasteful number, since it uses less digits than its factorization.

4069147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4069147 is about 2017.2126809040. The cubic root of 4069147 is about 159.6495846797.

The spelling of 4069147 in words is "four million, sixty-nine thousand, one hundred forty-seven".