5047989 has 4 divisors (see below), whose sum is σ = 6730656. Its totient is φ = 3365324.

The previous prime is 5047951. The next prime is 5047993. The reversal of 5047989 is 9897405.

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.

It is a cyclic number.

It is not a de Polignac number, because 5047989 - 2⁸ = 5047733 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 5047989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5047789) 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, 841329 + ... + 841334.

It is an arithmetic number, because the mean of its divisors is an integer number (1682664).

Almost surely, 2^5047989 is an apocalyptic number.

It is an amenable number.

5047989 is a deficient number, since it is larger than the sum of its proper divisors (1682667).

5047989 is a wasteful number, since it uses less digits than its factorization.

5047989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682666.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 5047989 is about 2246.7730192434. The cubic root of 5047989 is about 171.5429206325.

The spelling of 5047989 in words is "five million, forty-seven thousand, nine hundred eighty-nine".