4006147 has 4 divisors (see below), whose sum is σ = 4144320. Its totient is φ = 3867976.

The previous prime is 4006141. The next prime is 4006153. The reversal of 4006147 is 7416004.

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

It is an interprime number because it is at equal distance from previous prime (4006141) and next prime (4006153).

It is a cyclic number.

It is not a de Polignac number, because 4006147 - 2⁷ = 4006019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4006141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69043 + ... + 69100.

It is an arithmetic number, because the mean of its divisors is an integer number (1036080).

Almost surely, 2^4006147 is an apocalyptic number.

4006147 is a deficient number, since it is larger than the sum of its proper divisors (138173).

4006147 is a wasteful number, since it uses less digits than its factorization.

4006147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138172.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 4006147 is about 2001.5361600531. The cubic root of 4006147 is about 158.8213781978.

The spelling of 4006147 in words is "four million, six thousand, one hundred forty-seven".