5989947 has 4 divisors (see below), whose sum is σ = 7986600. Its totient is φ = 3993296.

The previous prime is 5989939. The next prime is 5989993. The reversal of 5989947 is 7499895.

It is a happy number.

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 5989947 - 2³ = 5989939 is a prime.

It is a D-number.

5989947 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5989947.

It is not an unprimeable number, because it can be changed into a prime (5989547) 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, 998322 + ... + 998327.

It is an arithmetic number, because the mean of its divisors is an integer number (1996650).

Almost surely, 2^5989947 is an apocalyptic number.

5989947 is a deficient number, since it is larger than the sum of its proper divisors (1996653).

5989947 is a wasteful number, since it uses less digits than its factorization.

5989947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996652.

The product of its digits is 816480, while the sum is 51.

The square root of 5989947 is about 2447.4368224737. The cubic root of 5989947 is about 181.6105163653.

The spelling of 5989947 in words is "five million, nine hundred eighty-nine thousand, nine hundred forty-seven".