4889009 has 4 divisors (see below), whose sum is σ = 4893504. Its totient is φ = 4884516.

The previous prime is 4888999. The next prime is 4889033. The reversal of 4889009 is 9009884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 4889009 - 2⁸ = 4888753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4889509) 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, 524 + ... + 3170.

It is an arithmetic number, because the mean of its divisors is an integer number (1223376).

Almost surely, 2^4889009 is an apocalyptic number.

It is an amenable number.

4889009 is a deficient number, since it is larger than the sum of its proper divisors (4495).

4889009 is a wasteful number, since it uses less digits than its factorization.

4889009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 4889009 is about 2211.1103545504. The cubic root of 4889009 is about 169.7228355597.

The spelling of 4889009 in words is "four million, eight hundred eighty-nine thousand, nine".