4147489 has 4 divisors (see below), whose sum is σ = 4194180. Its totient is φ = 4100800.

The previous prime is 4147483. The next prime is 4147499. The reversal of 4147489 is 9847414.

4147489 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 can be written as a sum of positive squares in 2 ways, for example, as 613089 + 3534400 = 783^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 4147489 - 2⁵ = 4147457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4147483) 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, 23212 + ... + 23389.

It is an arithmetic number, because the mean of its divisors is an integer number (1048545).

Almost surely, 2^4147489 is an apocalyptic number.

It is an amenable number.

4147489 is a deficient number, since it is larger than the sum of its proper divisors (46691).

4147489 is an equidigital number, since it uses as much as digits as its factorization.

4147489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46690.

The product of its digits is 32256, while the sum is 37.

The square root of 4147489 is about 2036.5384847825. The cubic root of 4147489 is about 160.6676399184.

The spelling of 4147489 in words is "four million, one hundred forty-seven thousand, four hundred eighty-nine".