4000147 has 4 divisors (see below), whose sum is σ = 4129216. Its totient is φ = 3871080.

The previous prime is 4000133. The next prime is 4000153. The reversal of 4000147 is 7410004.

It is a happy number.

4000147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4000147.

It is not an unprimeable number, because it can be changed into a prime (4000747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64488 + ... + 64549.

It is an arithmetic number, because the mean of its divisors is an integer number (1032304).

Almost surely, 2^4000147 is an apocalyptic number.

4000147 is a deficient number, since it is larger than the sum of its proper divisors (129069).

4000147 is a wasteful number, since it uses less digits than its factorization.

4000147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129068.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4000147 is about 2000.0367496624. The cubic root of 4000147 is about 158.7420497393.

The spelling of 4000147 in words is "four million, one hundred forty-seven", and thus it is an aban number.