4172147 has 4 divisors (see below), whose sum is σ = 4768176. Its totient is φ = 3576120.

The previous prime is 4172141. The next prime is 4172159. The reversal of 4172147 is 7412714.

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

It is a cyclic number.

It is not a de Polignac number, because 4172147 - 2¹⁴ = 4155763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4172141) 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, 298004 + ... + 298017.

It is an arithmetic number, because the mean of its divisors is an integer number (1192044).

Almost surely, 2^4172147 is an apocalyptic number.

4172147 is a deficient number, since it is larger than the sum of its proper divisors (596029).

4172147 is an equidigital number, since it uses as much as digits as its factorization.

4172147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596028.

The product of its digits is 1568, while the sum is 26.

The square root of 4172147 is about 2042.5834132294. The cubic root of 4172147 is about 160.9854159082.

The spelling of 4172147 in words is "four million, one hundred seventy-two thousand, one hundred forty-seven".